Stadium: Teremeer Court Round: 26 Ground: Clay
| ITF M25 Most MD | 2022/05/21 10:10 | Gengel/Poljak v Frantzen/Sandkaulen | 3-6,6-4,7-10 |
| ITF M25 Most MD | 2022/05/20 11:20 | Bolardt/Krumich v Frantzen/Sandkaulen | 5-7,6-4,3-10 |
| ITF M25 Most MD | 2022/05/19 10:00 | Damm/Damm v Frantzen/Sandkaulen | 5-7,3-6 |
| ITF M25 Most MD | 2022/05/17 14:35 | Cerny/Havlicek v Frantzen/Sandkaulen | 3-6,0-6 |
| Challenger Heilbronn MD | 2022/05/10 15:45 | Frantzen/Sandkaulen v Martin/Weissborn | 5-7,7-6,6-10 |
| ITF M15 Meerbusch MD | 2022/05/07 10:55 | Frantzen/Sandkaulen v Pereira/Roveri Sidney | 7-6,6-4 |
| ITF M15 Meerbusch MD | 2022/05/06 13:00 | Echeverria/Opitz v Frantzen/Sandkaulen | 4-6,3-6 |
| ITF M15 Meerbusch MD | 2022/05/05 16:25 | Frantzen/Sandkaulen v Bertrand/Gomes | 6-4,6-4 |