Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| Australian Open | 2020/01/20 23:30 | Tatsuma Ito v Prajnesh Gunneswaran | 6-4,6-2,7-5 |
| Challenger Nur-Sultan | 2021/03/01 10:55 | Denis Yevseyev v Tatsuma Ito | 4-6,6-2,3-6 |
| Challenger Nur-Sultan | 2021/02/25 07:10 | Jurij Rodionov v Tatsuma Ito | 6-3,6-2 |
| Challenger Nur-Sultan | 2021/02/24 05:25 | Tatsuma Ito v Vladyslav Manafov | 6-4,6-4 |
| Challenger Istanbul | 2021/01/17 08:50 | Ernesto Escobedo v Tatsuma Ito | 6-1,4-6,6-4 |
| Australian Open | 2021/01/11 10:20 | Tatsuma Ito v Yannick Maden | 4-6,2-6 |
| Challenger Split | 2020/09/29 11:20 | Viktor Troicki v Tatsuma Ito | 6-2,6-4 |
| French Open | 2020/09/21 15:10 | Tatsuma Ito v Nikola Milojevic | 6-4,0-6,1-6 |
| Challenger Calgary | 2020/02/26 01:25 | Yusuke Takahashi v Tatsuma Ito | 6-3,6-3 |
| Challenger Nur-Sultan | 2021/03/02 04:00 | Julian Lenz v Prajnesh Gunneswaran | 6-3,2-6,3-6 |
| Challenger Nur-Sultan | 2021/02/27 06:25 | Prajnesh Gunneswaran v Jurij Rodionov | 2-6,6-3,3-6 |
| Challenger Nur-Sultan | 2021/02/26 07:40 | Martin Klizan v Prajnesh Gunneswaran | 3-6,6-4,4-6 |
| Challenger Nur-Sultan | 2021/02/25 05:00 | Brayden Schnur v Prajnesh Gunneswaran | 6-3,3-6,0-6 |
| Challenger Nur-Sultan | 2021/02/24 08:30 | Dostanbek Tashbulatov v Prajnesh Gunneswaran | 2-6,3-6 |
| Challenger Potchefstroom | 2021/02/15 10:50 | Prajnesh Gunneswaran v Akira Santillan | 3-6,6-3,5-7 |
| Challenger Potchefstroom | 2021/02/09 10:15 | Prajnesh Gunneswaran v Dimitar Kuzmanov | 3-6,4-6 |
| Australian Open | 2021/01/12 13:10 | Prajnesh Gunneswaran v Constant Lestienne | 2-6,3-6 |