Stadium: Center Court Round: 29 Ground: Clay
| Challenger Bangkok MD | 2020/01/16 04:40 | King/Reese v Golubev/Nedovyesov | 5-7,1-6 |
| Challenger Zagreb MD | 2021/05/14 13:00 | Golubev/Nedovyesov v Walkow/Zielinski | 7-6,6-4 |
| Challenger Zagreb MD | 2021/05/11 15:50 | Golubev/Nedovyesov v Baez/Wild | 6-1,2-6,10-0 |
| Challenger Split MD | 2021/04/16 13:30 | Walkow/Zielinski v Golubev/Nedovyesov | 6-3,7-6 |
| Challenger Split MD | 2021/04/15 13:00 | Kolar/Rosol v Golubev/Nedovyesov | 6-3,3-6,8-10 |
| Challenger Split MD | 2021/04/14 13:00 | Gojo/Serdarusic v Golubev/Nedovyesov | 7-6,6-7,7-10 |
| Challenger Split MD | 2021/04/10 14:35 | Golubev/Nedovyesov v Walkow/Zielinski | 7-5,6-7,10-5 |
| Challenger Split MD | 2021/04/09 12:45 | Golubev/Nedovyesov v Kolar/Rosol | 6-2,2-6,10-6 |
| Challenger Split MD | 2021/04/08 11:00 | Golubev/Nedovyesov v Brown/Margaroli | 6-2,6-1 |
| Challenger Zagreb MD | 2021/05/14 13:15 | King/Reese v Arneodo/Olivetti | 7-6,3-6,10-5 |
| Challenger Zagreb MD | 2021/05/14 11:15 | Jebavy/Martin v King/Reese | 6-2,3-6,4-10 |
| Challenger Zagreb MD | 2021/05/12 08:00 | Babic/Fallert v King/Reese | 7-6,4-6,8-10 |
| Challenger Prague MD | 2021/05/06 10:45 | King/Reese v Sabanov/Sabanov | 6-7,5-7 |
| Challenger Prague MD | 2021/05/05 13:30 | Lehecka/Vrbensky v King/Reese | 4-6,1-6 |
| Challenger Ostrava MD | 2021/04/30 13:05 | King/Reese v Paulson/Rikl | 4-6,4-6 |
| Challenger Ostrava MD | 2021/04/29 13:00 | Balaji/Nedunchezhiyan v King/Reese | 2-6,6-2,6-10 |
| Challenger Ostrava MD | 2021/04/27 15:25 | Gabashvili/Safiullin v King/Reese | 2-6,3-6 |