Round: 25 Ground: Clay
| ITF Germany F6 | 2017/07/04 11:00 | Pereira, Jose v Willems, Johann | 4-6,6-3,6-2 |
| ITF Germany F5 | 2017/06/30 12:40 | 호앙, 안토인 v Willems, Johann | 6-3,6-2 |
| ITF Germany F5 | 2017/06/29 09:00 | 마르티네즈 사라가게, 펠리페 v Willems, Johann | 6-7,6-7 |
| ITF Germany F5 | 2017/06/28 09:00 | Willems, Johann v Mylokostov, Denys | 2-6,7-5,6-1 |
| ITF Germany F5 | 2017/06/26 08:00 | Willems, Johann v 오에츠바치, 아드리안 | 4-6,6-3,6-4 |
| ITF Belgium F1 | 2017/06/20 10:00 | Willems, Johann v 케크마노비치, 미오밀 | 6-2,4-6,1-6 |
| Spain F6, Singles | 2017/02/20 09:00 | Willems, Johann v 로카 바탈라, 오리올 | 3-6,1-6 |
| ITF Spain F5 Qual | 2017/02/12 13:30 | Willems, Johann v 발제라니, 리카르도 | 2-6,2-6 |
| ITF Czech Republic F4 | 2017/07/04 12:30 | 잘로비에스, 마크 v Wagner, Bastian | 6-1,6-2 |
| ITF Poland F3 | 2017/06/30 10:30 | Wagner, Bastian v 에리크슨, 마르쿠스 | 3-6,2-6 |
| ITF Poland F3 | 2017/06/28 10:35 | Wagner, Bastian v 하리스, 빌리 | 6-3,7-5 |
| ITF Poland F3 | 2017/06/27 16:15 | 라지스키, 마치에이 v Wagner, Bastian | 6-4,3-6,2-6 |
| ITF Germany F4 | 2017/06/20 11:55 | Wagner, Bastian v 라즈보르세크, 니크 | 2-6,2-6 |
| Turkey F20, Singles Qualifying | 2017/05/23 07:30 | 다비도브, 이반 v Wagner, Bastian | 7-6,6-3 |
| ITF Turkey F19 | 2017/05/16 09:35 | 로잔, 크리스티안 v Wagner, Bastian | 7-5,6-3 |
| ITF Turkey F18 | 2017/05/09 08:20 | Martin, Juan v Wagner, Bastian | 6-3,6-4 |