Stadium: Court B Round: 25 Ground: Hardcourt indoor
| Challenger Nanchang | 2019/04/25 05:50 | Ramkumar Ramanathan v Kaichi Uchida | 6-2,6-3 |
| Challenger Malaga | 2022/06/30 12:00 | Emilio Gomez v Kaichi Uchida | 6-1,6-4 |
| Challenger Malaga | 2022/06/28 13:05 | Dmitry Popko v Kaichi Uchida | 4-6,1-6 |
| Challenger Oeiras | 2022/06/26 10:00 | Kimmer Coppejans v Kaichi Uchida | 2-6,4-6 |
| Challenger Oeiras | 2022/06/25 09:00 | Kaichi Uchida v Facundo Bagnis | 7-5,7-6 |
| Challenger Oeiras | 2022/06/24 09:00 | Kaichi Uchida v Michael Geerts | 4-6,6-1,6-4 |
| Challenger Oeiras | 2022/06/20 17:00 | Kaichi Uchida v Louis Wessels | 6-4,6-1 |
| Challenger Orlando | 2022/06/07 20:55 | Kaichi Uchida v Adrian Andreev | 7-5,4-6,3-6 |
| Challenger Little Rock | 2022/06/01 16:00 | Kaichi Uchida v Murphy Cassone | 4-6,3-6 |
| Wimbledon | 2022/06/20 14:50 | Ramkumar Ramanathan v Vit Kopriva | 5-7,4-6 |
| Challenger Ilkley | 2022/06/14 10:00 | Hugo Grenier v Ramkumar Ramanathan | 7-6,7-5 |
| Challenger Nottingham | 2022/06/07 12:25 | Ramkumar Ramanathan v Geoffrey Blancaneaux | 6-7,5-7 |
| Challenger Surbiton | 2022/06/02 10:00 | Jordan Thompson v Ramkumar Ramanathan | 7-5,6-3 |
| Challenger Surbiton | 2022/06/01 14:00 | Yuichi Sugita v Ramkumar Ramanathan | 6-4,5-7,6-7 |
| Challenger Surbiton | 2022/05/30 10:00 | Ramkumar Ramanathan v Billy Harris | 4-6,6-4,4-6 |
| Challenger Surbiton | 2022/05/29 10:00 | Ramkumar Ramanathan v Joshua Paris | 6-3,6-2 |
| French Open | 2022/05/18 10:35 | Ramkumar Ramanathan v Sean Cuenin | 6-7,4-6 |