Stadium: Court 2 Round: 14 Ground: Hardcourt outdoor
| 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 Launceston | 2020/02/04 01:00 | Matias Franco Descotte v Tatsuma Ito | 7-6,6-4 |
| Australian Open | 2020/01/22 03:25 | Tatsuma Ito v Novak Djokovic | 1-6,4-6,2-6 |
| Australian Open | 2020/01/20 23:30 | Tatsuma Ito v Prajnesh Gunneswaran | 6-4,6-2,7-5 |
| ATP Auckland | 2020/01/11 22:00 | Michael Mmoh v Tatsuma Ito | 6-2,6-2 |
| ATP Auckland | 2020/01/10 22:00 | Shuichi Sekiguchi v Tatsuma Ito | 3-6,6-4,4-6 |
| ATP Cologne | 2020/10/10 09:00 | Ivo Karlovic v Marc Polmans | 1-6,4-6 |
| French Open | 2020/09/23 11:20 | Benjamin Bonzi v Ivo Karlovic | 6-3,7-6 |
| French Open | 2020/09/21 13:40 | Noah Rubin v Ivo Karlovic | 6-7,4-6 |
| US Open | 2020/09/01 23:30 | Ivo Karlovic v Richard Gasquet | 6-7,6-7,1-6 |
| Matchplay 120 | 2020/06/12 13:00 | JC Aragone v Ivo Karlovic | 7-6,7-5 |
| Challenger Calgary | 2020/02/27 19:15 | Ivo Karlovic v Geoffrey Blancaneaux | 6-7,4-6 |
| Challenger Calgary | 2020/02/26 03:00 | Ivo Karlovic v Evan King | 7-6,6-4 |
| ATP New York | 2020/02/11 17:00 | Ivo Karlovic v Jordan Thompson | 3-6,6-7 |