12‑Aug‑2024 | M15 Ueberlingen | Clay | R32 | 488 | 1053 | Sebastian Prechtel [GER] d. (2)Heller | 7-5 6-2 | | | | | | | | | |
14‑Aug‑2023 | M15 Ueberlingen | Clay | R16 | 534 | 884 | Jakob Schnaitter [GER] d. (2)Heller | 1-6 7-5 6-4 | | | | | | | | | |
14‑Aug‑2023 | M15 Ueberlingen | Clay | R32 | 534 | 906 | (2)Heller d. Filippo Speziali [ITA] | 6-2 6-3 | | | | | | | | | |
15‑Aug‑2022 | M15 Ueberlingen | Clay | F | 654 | 370 | (1)Lucas Gerch [GER] d. (3)Heller | 6-3 6-1 | | | | | | | | | |
15‑Aug‑2022 | M15 Ueberlingen | Clay | SF | 654 | 517 | (3)Heller d. (2)Tim Handel [GER] | 7-5 6-2 | | | | | | | | | |
15‑Aug‑2022 | M15 Ueberlingen | Clay | QF | 654 | 813 | (3)Heller d. Christoph Negritu [GER] | 7-5 6-3 | | | | | | | | | |
15‑Aug‑2022 | M15 Ueberlingen | Clay | R16 | 654 | 1140 | (3)Heller d. Liam Gavrielides [GER] | 6-4 6-3 | | | | | | | | | |
15‑Aug‑2022 | M15 Ueberlingen | Clay | R32 | 654 | 974 | (3)Heller d. Franco Roncadelli [URU] | 6-1 6-4 | | | | | | | | | |
19‑Aug‑2019 | M15 Ueberlingen | Clay | F | 345 | 366 | Heller d. (2)Louis Wessels [GER] | 6-1 6-4 | | | | | | | | | |
19‑Aug‑2019 | M15 Ueberlingen | Clay | SF | 345 | 542 | Heller d. (5)Bruno Santanna [BRA] | 6-3 6-4 | | | | | | | | | |
19‑Aug‑2019 | M15 Ueberlingen | Clay | QF | 345 | 651 | Heller d. (6)Mick Veldheer [NED] | 6-3 7-6(0) | | | | | | | | | |
19‑Aug‑2019 | M15 Ueberlingen | Clay | R16 | 345 | 945 | Heller d. Valentin Guenther [GER] | 6-4 6-3 | | | | | | | | | |
19‑Aug‑2019 | M15 Ueberlingen | Clay | R32 | 345 | 1421 | Heller d. Kai Lemstra [GER] | 5-7 6-2 6-2 | | | | | | | | | |