Stadium: Center Court Round: 26 Ground: Clay
| ITF M25 Barnstaple | 2020/02/12 11:45 | Mats Rosenkranz v Christopher Heyman | 5-7,3-6 |
| ITF Belgium F10 | 2017/08/23 13:00 | Mats Rosenkranz v Christopher Heyman | 0-6,1-6 |
| ITF M25 Vale Do Lobo | 2021/03/10 11:25 | Tiago Cacao v Christopher Heyman | 3-6,2-6 |
| ITF M15 Monastir | 2021/02/16 09:30 | Stuart Parker v Christopher Heyman | 4-6,6-1,6-3 |
| ITF M15 Monastir | 2021/02/09 11:25 | Alexis Gautier v Christopher Heyman | 6-1,7-6 |
| ITF M15 Monastir | 2021/02/03 08:30 | Moez Echargui v Christopher Heyman | 6-1,6-1 |
| ITF M15 Bratislava | 2020/11/24 15:20 | Peter Fajta v Christopher Heyman | 6-7,6-4,6-3 |
| ITF M15 Sarreguemines | 2020/10/29 08:30 | Julien De Cuyper v Christopher Heyman | 4-6,4-6 |
| ITF M15 Sarreguemines | 2020/10/28 11:00 | Antoine Bellier v Christopher Heyman | 7-6,4-6,6-7 |
| ITF M25 Hamburg | 2020/10/19 15:50 | Alex Molcan v Christopher Heyman | 7-5,6-2 |
| ITF M15 Nur-Sultan | 2021/02/12 05:15 | Mats Rosenkranz v Francesco Forti | 6-3,6-7,3-6 |
| ITF M15 Nur-Sultan | 2021/02/11 08:15 | Roy Smith v Mats Rosenkranz | 6-3,4-6,5-7 |
| ITF M15 Nur-Sultan | 2021/02/10 04:00 | Mats Rosenkranz v Bekzat Usipbekov | 6-3,6-3 |
| ITF M15 Nur-Sultan | 2021/02/07 08:00 | Mats Rosenkranz v Otto Virtanen | 5-7,3-6 |
| ITF M15 Nur-Sultan | 2021/02/06 08:20 | Mats Rosenkranz v Aleksandre Metreveli | 5-7,6-2,6-4 |
| ITF M15 Nur-Sultan | 2021/02/05 07:55 | Eric Vanshelboim v Mats Rosenkranz | 3-6,6-7 |
| ITF M15 Nur-Sultan | 2021/02/04 08:40 | Mats Rosenkranz v Mikalai Haliak | 6-4,6-3 |
| ITF M15 Nur-Sultan | 2021/02/03 05:50 | Rodion Pak v Mats Rosenkranz | 1-6,5-7 |