Ivashka Ilya - Nishikori Kei
6-7 0-6
| Date | Tournament | Surface | Opponent | W/L | Score | |
|---|---|---|---|---|---|---|
| Jul 27, 2021 | Tokyo Olympics | hard | Kukushkin Mikhail | W | 6-7 6-3 6-3 | |
| Jul 25, 2021 | Tokyo Olympics | hard | Monfils Gael | W | 6-4 4-6 7-5 | |
| Jul 05, 2021 | Wimbledon | grass | Berrettini Matteo | L | 4-6 3-6 1-6 | |
| Jul 03, 2021 | Wimbledon | grass | Thompson Jordan | W | 6-4 6-4 6-4 | |
| Jul 01, 2021 | Wimbledon | grass | Chardy Jeremy | W | 4-6 6-3 6-2 6-4 | |
| Jun 30, 2021 | Wimbledon | grass | Munar Jaume | W | 6-1 7-5 7-6 | |
| Jun 24, 2021 | Eastbourne | grass | Kwon Soon Woo | L | 4-6 5-7 | |
| Jun 23, 2021 | Eastbourne | grass | Popyrin Alexei | W | 6-7 7-5 6-3 | |
| Jun 22, 2021 | Eastbourne | grass | Gray Alastair | W | 6-2 7-6 | |
| Jun 20, 2021 | Eastbourne | grass | Purcell Max | W | 6-7 6-2 6-1 | |
| Jun 19, 2021 | Eastbourne | grass | Smith John Patrick | W | 6-4 7-6 | |
| Jun 14, 2021 | Halle | grass | Federer Roger | L | 6-7 5-7 | |
| Jun 13, 2021 | Halle | grass | Duckworth James | W | 2-6 6-4 6-0 | |
| Jun 12, 2021 | Halle | grass | Ito Tatsuma | W | 6-1 6-3 | |
| May 19, 2021 | Geneva | clay | Dimitrov Grigor | L | 4-6 4-6 | |
| May 18, 2021 | Geneva | clay | Verdasco Fernando | W | 7-6 6-4 | |
| May 17, 2021 | Geneva | clay | McDonald Mackenzie | W | 6-4 6-3 | |
| May 15, 2021 | Geneva | clay | Li Hanwen | W | 6-0 6-3 | |
| May 01, 2021 | Munich | clay | Struff Jan-Lennard | L | 4-6 1-6 | |
| Apr 30, 2021 | Munich | clay | Zverev Alexander | W | 6-7 7-5 6-3 | |
| Apr 28, 2021 | Munich | clay | McDonald Mackenzie | W | 6-7 6-1 6-2 | |
| Apr 26, 2021 | Munich | clay | Ruusuvuori Emil | W | 6-1 6-2 | |
| Apr 25, 2021 | Munich | clay | Berankis Ricardas | W | 6-2 3-6 6-0 | |
| Apr 24, 2021 | Munich | clay | Majchrzak Kamil | W | 6-4 7-6 | |
| Apr 21, 2021 | Barcelona | clay | Nadal Rafael | L | 6-3 2-6 4-6 | |
| Apr 19, 2021 | Barcelona | clay | Griekspoor Tallon | W | 6-3 6-1 | |
| Apr 18, 2021 | Barcelona | clay | Gaio Federico | W | 6-3 6-2 | |
| Apr 17, 2021 | Barcelona | clay | Cressy Maxime | W | 6-1 6-3 | |
| Apr 09, 2021 | Marbella | clay | Munar Jaume | L | 7-6 4-6 4-6 | |
| Apr 08, 2021 | Marbella | clay | Davidovich Fokina Alejandro | W | 6-1 6-3 | |
| Apr 06, 2021 | Marbella | clay | Martinez Pedro | W | 6-3 7-6 | |
| Mar 27, 2021 | Miami | hard | Shapovalov Denis | L | 7-6 4-6 4-6 | |
| Mar 25, 2021 | Miami | hard | Kwon Soon Woo | W | 7-6 6-7 7-6 | |
| Feb 09, 2021 | Australian Open | hard | Safiullin Roman | L | 4-6 3-6 4-6 |
| Date | Tournament | Surface | Opponent | W/L | Score | |
|---|---|---|---|---|---|---|
| Jul 27, 2021 | Tokyo Olympics | hard | Giron Marcos | W | 7-6 3-6 6-1 | |
| Jul 25, 2021 | Tokyo Olympics | hard | Rublev Andrey | W | 6-3 6-4 | |
| Jul 01, 2021 | Wimbledon | grass | Thompson Jordan | L | 5-7 4-6 7-5 3-6 | |
| Jun 30, 2021 | Wimbledon | grass | Popyrin Alexei | W | 6-4 6-4 6-4 | |
| Jun 17, 2021 | Halle | grass | Korda Sebastian | L | 6-2 3-6 5-7 | |
| Jun 15, 2021 | Halle | grass | Berankis Ricardas | W | 6-3 2-6 6-2 | |
| Jun 06, 2021 | French Open | clay | Zverev Alexander | L | 4-6 1-6 1-6 | |
| Jun 04, 2021 | French Open | clay | Laaksonen Henri | W | 7-5 0-0 ret | |
| Jun 02, 2021 | French Open | clay | Khachanov Karen | W | 4-6 6-2 2-6 6-4 6-4 | |
| May 30, 2021 | French Open | clay | Giannessi Alessandro | W | 6-4 6-7 6-3 4-6 6-4 | |
| May 13, 2021 | Rome | clay | Zverev Alexander | L | 6-4 3-6 4-6 | |
| May 11, 2021 | Rome | clay | Carreno-Busta Pablo | W | Walkover | |
| May 10, 2021 | Rome | clay | Fognini Fabio | W | 6-3 6-4 | |
| May 05, 2021 | Madrid - Masters | clay | Zverev Alexander | L | 3-6 2-6 | |
| May 04, 2021 | Madrid - Masters | clay | Khachanov Karen | W | 6-7 6-2 6-2 | |
| Apr 22, 2021 | Barcelona | clay | Nadal Rafael | L | 0-6 6-2 2-6 | |
| Apr 21, 2021 | Barcelona | clay | Garin Christian | W | 7-6 4-6 6-1 | |
| Apr 19, 2021 | Barcelona | clay | Pella Guido | W | 4-6 7-6 6-2 | |
| Mar 30, 2021 | Miami | hard | Tsitsipas Stefanos | L | 3-6 6-3 1-6 | |
| Mar 27, 2021 | Miami | hard | Bedene Aljaz | W | 7-6 5-7 6-4 | |
| Mar 18, 2021 | Dubai | hard | Harris Lloyd | L | 1-6 6-3 3-6 | |
| Mar 17, 2021 | Dubai | hard | Bedene Aljaz | W | 6-4 6-4 | |
| Mar 16, 2021 | Dubai | hard | Goffin David | W | 6-3 7-6 | |
| Mar 14, 2021 | Dubai | hard | Opelka Reilly | W | 3-6 6-3 6-4 | |
| Mar 09, 2021 | Marseille | indoors | Herbert Pierre-Hugues | L | 1-6 4-6 | |
| Mar 05, 2021 | Rotterdam | indoors | Coric Borna | L | 6-7 6-7 | |
| Mar 03, 2021 | Rotterdam | indoors | De Minaur Alex | W | 6-3 2-6 7-5 | |
| Mar 01, 2021 | Rotterdam | indoors | Auger Aliassime Felix | W | 7-6 6-1 | |
| Feb 08, 2021 | Australian Open | hard | Carreno-Busta Pablo | L | 5-7 6-7 2-6 | |
| Feb 06, 2021 | ATP Cup | hard | Schwartzman Diego | L | 1-6 7-6 0-6 | |
| Feb 03, 2021 | ATP Cup | hard | Medvedev Daniil | L | 2-6 4-6 |