Stadium: Court 2 Round: 14 Ground: Hardcourt outdoor
| Challenger Shenzhen | 2023/10/10 05:00 | Fajing Sun v Egor Gerasimov | 3-6,4-6 |
| Challenger Oeiras Qual | 2024/01/07 16:00 | Egor Gerasimov v Sebastian Fanselow | 6-7,4-6 |
| Challenger Oeiras | 2024/01/06 11:00 | Egor Gerasimov v Gastao Elias | 4-6,6-3,3-6 |
| Challenger Oeiras | 2024/01/05 12:00 | Thai-Son Kwiatkowski v Egor Gerasimov | 7-6,3-6,4-6 |
| Challenger Oeiras | 2024/01/03 17:15 | Egor Gerasimov v Mathias Bourgue | 6-4,2-6,6-4 |
| Challenger Oeiras | 2024/01/02 12:50 | Tiago Pereira v Egor Gerasimov | 6-7,1-6 |
| Challenger Oeiras | 2024/01/01 12:40 | Egor Gerasimov v Garrett Johns | 1-6,6-3,7-6 |
| Challenger Oeiras | 2023/12/31 15:40 | Egor Gerasimov v Martyn Pawelski | 7-6,4-6,6-1 |
| Challenger Yokohama | 2023/11/19 01:00 | Naoki Tajima v Egor Gerasimov | 6-4,3-6,6-2 |
| Challenger Nonthaburi | 2024/01/08 04:30 | Nick Hardt v Fajing Sun | 7-5,6-4 |
| Challenger Nonthaburi | 2024/01/07 07:00 | Fajing Sun v Eric Vanshelboim | 6-0,7-5 |
| Challenger Yokkaichi | 2023/11/26 04:10 | Fajing Sun v Ji Sung Nam | 3-6,2-6 |
| Challenger Yokohama | 2023/11/19 05:25 | Fajing Sun v Yunseong Chung | 4-6,4-6 |
| Challenger Shenzhen | 2023/10/16 07:05 | Fajing Sun v Alibek Kachmazov | 3-6,6-7 |
| Challenger Shenzhen | 2023/10/10 05:00 | Fajing Sun v Egor Gerasimov | 3-6,4-6 |
| Challenger Shenzhen | 2023/10/09 12:30 | Fajing Sun v Chukang Wang | 6-2,6-2 |
| ATP Shanghai | 2023/10/03 09:00 | Yu Hsiou Hsu v Fajing Sun | 6-7,6-3,6-1 |