Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Antalya | 2021/03/12 06:50 | Miljan Zekic v Ergi Kirkin | 6-1,6-4 |
| ITF M15 Antalya | 2021/03/11 07:00 | Emiliano Maggioli v Ergi Kirkin | 3-6,6-4,4-6 |
| ITF M15 Antalya | 2021/03/10 08:35 | Joao Lucas Reis da Silva v Ergi Kirkin | 3-6,4-6 |
| Challenger St. Petersburg | 2021/02/28 07:00 | Jiri Lehecka v Ergi Kirkin | 7-6,7-5 |
| Challenger Antalya | 2021/02/02 12:30 | Ergi Kirkin v Jaume Munar | 3-6,3-6 |
| Challenger Antalya | 2021/01/28 09:40 | Emilio Gomez v Ergi Kirkin | 6-4,6-1 |
| Challenger - Istanbul | 2021/01/22 10:40 | Ergi Kirkin v Jozef Kovalik | 7-6,0-6,6-7 |
| Challenger - Istanbul | 2021/01/20 10:30 | Joao Menezes v Ergi Kirkin | 2-6,6-7 |
| ITF M25 Naples | 2021/02/25 17:25 | Martin Damm v Evan Zhu | 6-1,6-1 |
| ITF M25 Naples | 2021/02/23 15:00 | Ricardo Rodriguez-Pace v Evan Zhu | 6-7,5-7 |
| ITF M25 Naples | 2021/02/22 16:00 | Sebastian Eguez v Evan Zhu | 2-6,1-6 |
| ITF M25 Naples | 2021/02/16 16:00 | Evan Zhu v Govind Nanda | 6-2,3-6,8-10 |
| ITF M25 Naples | 2021/02/15 16:00 | Evan Zhu v Justin Roberts | 2-6,7-6,10-2 |
| ITF M25 Las Vegas | 2020/03/05 18:00 | Evan Zhu v Petros Chrysochos | 4-6,3-6 |
| ITF M25 Las Vegas | 2020/03/03 19:15 | Evan Zhu v Toby Alex Kodat | 6-2,5-7,6-2 |
| ITF M25 Naples | 2020/02/15 15:00 | Evan Zhu v Alejandro Gomez | 2-6,3-6 |