Stadium: Court 4 Round: 62 Ground: Clay
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/17 10:25 | 케케즈, 두제 v 칼렌더, 아드미르 | 6-4,0-6,10-8 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/16 10:00 | 케케즈, 두제 v Dimic, Matic | 6-2,6-0 |
| ITF M15 Prijedor | 2021/05/11 09:50 | 케케즈, 두제 v 캠파나, 페데리코 | 4-6,6-0,7-10 |
| ITF M15 Prijedor | 2021/05/10 13:30 | 케케즈, 두제 v Lapalu, Valentin | 6-4,6-4 |
| ITF M15 Prijedor | 2021/05/09 12:30 | 케케즈, 두제 v 마르코브스키, 오브레드 | 6-4,6-3 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/24 08:00 | 피칠러, 디비드 v 케케즈, 두제 | 6-2,7-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/23 09:40 | Poljicak, Mili v 케케즈, 두제 | 4-6,2-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/22 08:00 | 빌라르도, 프란세스코 v 케케즈, 두제 | 3-6,3-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/17 09:30 | Penzlin, Julien v Velcz, Zsombor | 6-4,6-1 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/16 07:30 | Jakic, Marino v Penzlin, Julien | 1-6,4-6 |
| ITF M15 Monastir | 2021/04/26 08:00 | Penzlin, Julien v 부쿠이엘, 아서 | 5-7,6-2,7-10 |
| ITF M15 Monastir | 2021/04/25 09:30 | O'Neill, Daniel v Penzlin, Julien | 3-6,3-6 |
| ITF M15 Monastir | 2021/03/21 15:00 | 아가르왈, 리사브 v Penzlin, Julien | 6-4,6-3 |
| ITF M15 Monastir | 2021/03/15 09:00 | Penzlin, Julien v 라오렌트, 야나이스 | 4-6,6-7 |
| ITF M15 Monastir | 2021/03/14 11:00 | 레에델, 팀 v Penzlin, Julien | 3-6,6-7 |
| Exo Tennis Germany Series | 2020/07/18 10:25 | Penzlin, Julien v 슈미츠, 콘스탄틴 | 1-6,0-6 |