| UTR Pro Tennis Series Florida | 2021/05/31 13:00 | Shi, Brian v Thomas Brown | 6-2,6-3 |
| UTR Pro Tennis Series Florida | 2020/12/19 16:00 | 야츠크, 이반 v Mostardi, Nico | 7-6,3-6,6-7 |
| UTR Pro Tennis Series Florida | 2020/12/17 16:00 | 야츠크, 이반 v 잡, 로간 | 7-6,6-5 |
| UTR Pro Tennis Series Florida | 2020/12/16 18:00 | 키르치헤머, 스트롱 v 야츠크, 이반 | 6-0,6-1 |
| UTR Pro Tennis Series Florida | 2020/12/15 14:00 | Ross, Matthis v 야츠크, 이반 | 6-4,6-1 |
| UTR Pro Tennis Series Florida | 2020/12/14 20:00 | 야츠크, 이반 v Ferguson, Chase | 6-4,2-6,5-1 |
| International Tennis Series | 2020/08/01 14:40 | 야츠크, 이반 v 티로우인, 젠 | 2-6,3-6 |
| International Tennis Series | 2020/08/01 12:00 | 오레, 이스라엘 알렉산더 v 야츠크, 이반 | 4-6,5-7 |
| International Tennis Series | 2020/07/19 15:50 | 야츠크, 이반 v 버트슈, 저스틴 | 6-4,4-6,6-10 |