| ITF USA F30 | 2018/11/05 16:00 | 킹슬레이, 캐논 v 야츠크, 이반 | 7-5,4-6,6-3 |
| International Tennis Series | 2020/05/23 15:50 | 야츠크, 이반 v Wojcik, Jakub | 0-4,4-3,2-4 |
| International Tennis Series | 2020/05/18 01:40 | Wojcik, Jakub v 야츠크, 이반 | 4-2,1-4,4-3 |
| International Tennis Series | 2020/05/18 00:25 | Bueno Tapia, Jaime Ignacio v 야츠크, 이반 | 3-4,2-4 |
| International Tennis Series | 2020/05/17 20:40 | Bueno Tapia, Jaime Ignacio v 야츠크, 이반 | 3-4,2-4 |
| International Tennis Series | 2020/05/17 20:15 | 코르윈, 펠릭스 v 야츠크, 이반 | 4-2,2-4,2-4 |
| International Tennis Series | 2020/05/17 00:00 | 야츠크, 이반 v 엘 미다위, 아담 | 2-4,4-3,4-3 |
| International Tennis Series | 2020/05/16 23:15 | 레드리키, 미가엘 v 야츠크, 이반 | 1-4,2-4 |
| International Tennis Series | 2020/05/16 20:45 | Storch, Stefan v 야츠크, 이반 | 4-1,4-3 |
| International Tennis Series | 2020/05/23 14:35 | 실리그, 킬레 v 킹슬레이, 캐논 | 3-4,4-0,0-4 |
| International Tennis Series | 2020/05/21 14:45 | 킹슬레이, 캐논 v 레드리키, 미가엘 | 4-3,4-1 |
| International Tennis Series | 2020/05/21 12:50 | 킹슬레이, 캐논 v 페레즈, 브란던 | 4-1,4-0 |
| International Tennis Series | 2020/05/21 12:00 | 킹슬레이, 캐논 v 카르네발-미노, 토마소 | 4-0,4-0 |
| International Tennis Series | 2020/05/19 22:30 | 킹슬레이, 캐논 v 실리그, 킬레 | 2-4,4-3,2-4 |
| International Tennis Series | 2020/05/19 20:30 | 킹슬레이, 캐논 v Wojcik, Jakub | 4-1,4-2 |
| International Tennis Series | 2020/05/19 18:25 | 페레즈, 브란던 v 킹슬레이, 캐논 | 1-4,4-1,3-4 |
| International Tennis Series | 2020/05/17 17:15 | 킹슬레이, 캐논 v 포프코, 드미트리 | 2-4,0-4 |