Italy's Jannik Sinner (CR) talks to Umpire Aurelie Tourte (CL) during a break in play in his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner (R) congratulates Argentina's Juan Manuel Cerundolo (L) on his victory at the end of their men's singles match on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner reacts during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

epa13000272 Juan Manuel Cerundolo of Argentina celebrates winning his Men's 2nd round match against Jannik Sinner of Italy at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/MOHAMMED BADRA

epa13000266 Juan Manuel Cerundolo of Argentina celebrates winning his Men's 2nd round match against Jannik Sinner of Italy at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/MOHAMMED BADRA

epa13000265 Juan Manuel Cerundolo of Argentina celebrates winning his Men's 2nd round match against Jannik Sinner of Italy at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/MOHAMMED BADRA

epa13000267 Jannik Sinner of Italy leaves the court after losing his Men's 2nd round match against Juan Manuel Cerundolo of Argentina at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/MOHAMMED BADRA

Italy's Jannik Sinner acknowledges the crowd as he reacts to his men's singles match defeat to Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner acknowledges the crowd as he reacts to his men's singles match defeat to Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Argentina's Juan Manuel Cerundolo celebrates his victory against Italy's Jannik Sinner at the end of their men's singles match on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Argentina's Juan Manuel Cerundolo reacts to a point against Italy's Jannik Sinner during their men's singles match on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by ALAIN JOCARD / AFP)

Italy's Jannik Sinner serves to Argentina's Juan Manuel Cerundolo during their men's singles match on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by ALAIN JOCARD / AFP)

epa13000198 Jannik Sinner of Italy tries to cool himself during a break during his Men's 2nd round match against Juan Manuel Cerundolo of Argentina at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/MOHAMMED BADRA

Italy's Jannik Sinner tries to cool down during a break of play in his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by ALAIN JOCARD / AFP)

epa13000199 Jannik Sinner of Italy tries to cool himself during a break during his Men's 2nd round match against Juan Manuel Cerundolo of Argentina at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/MOHAMMED BADRA

epa13000189 Jannik Sinner of Italy reacts to the heat during a break during his Men's 2nd round match against Juan Manuel Cerundolo of Argentina at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/YOAN VALAT

epa13000188 Jannik Sinner of Italy reacts during his Men's 2nd round match against Juan Manuel Cerundolo of Argentina at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/YOAN VALAT

Italy's Jannik Sinner tries to cool down during a break of play in his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by ALAIN JOCARD / AFP)

Italy's Jannik Sinner reacts during a break in play in his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by ALAIN JOCARD / AFP)

epa13000162 Jannik Sinner of Italy reacts to the heat during a break during his Men's 2nd round match against Juan Manuel Cerundolo of Argentina at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/MOHAMMED BADRA

epa13000161 Jannik Sinner of Italy reacts during his Men's 2nd round match against Juan Manuel Cerundolo of Argentina at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/MOHAMMED BADRA

Italy's Jannik Sinner reacts during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by ALAIN JOCARD / AFP)

Italy's Jannik Sinner reacts during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by ALAIN JOCARD / AFP)

epa13000152 Jannik Sinner of Italy reacts to the heat during a break during his Men's 2nd round match against Juan Manuel Cerundolo of Argentina at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/MOHAMMED BADRA

epa13000153 Jannik Sinner of Italy reacts to the heat during a break during his Men's 2nd round match against Juan Manuel Cerundolo of Argentina at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/MOHAMMED BADRA

Italy's Jannik Sinner tries to cool down during a break of play in his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by ALAIN JOCARD / AFP)

Italy's Jannik Sinner tries to cool down during a break of play in his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by ALAIN JOCARD / AFP)

Italy's Jannik Sinner tries to cool down during a break of play in his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner reacts during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

epa13000114 Jannik Sinner of Italy reacts to the heat during a break during his Men's 2nd round match against Juan Manuel Cerundolo of Argentina at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/YOAN VALAT

epa13000112 Jannik Sinner of Italy cools himself during a break during his Men's 2nd round match against Juan Manuel Cerundolo of Argentina at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/YOAN VALAT

epa13000113 Jannik Sinner of Italy cools himself during a break during his Men's 2nd round match against Juan Manuel Cerundolo of Argentina at the French Open Grand Slam tennis tournament at Roland Garros in Paris, France, 28 May 2026. EPA/YOAN VALAT

Italy's Jannik Sinner reacts during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner reacts during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner (C) talks to medical staff during a break in play in his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner reacts during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner reacts during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner holds his glute as he stretches during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner holds his glute as he stretches during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner (2L) is treated by medical staff during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner stretches during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner reacts during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner (2L) is treated by medical staff during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner (2L) is treated by medical staff during his men's singles match against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Italy's Jannik Sinner volleys a return to Argentina's Juan Manuel Cerundolo during their men's singles match on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)

Spectators shield themselves from the sun on Court Philippe-Chatrier as they watch Italy's Jannik Sinner play against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by ALAIN JOCARD / AFP)

Italy's Jannik Sinner plays a forehand return to Argentina's Juan Manuel Cerundolo during their men's singles match on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by ALAIN JOCARD / AFP)

Spectators shield themselves from the sun on Court Philippe-Chatrier as they watch Italy's Jannik Sinner play against Argentina's Juan Manuel Cerundolo on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by Alain JOCARD / AFP)