Stadium: Lotto RLP Centre Court Round: 28 Ground: Hardcourt indoor
| Challenger Meerbusch MD | 2019/08/15 15:55 | Begemann A / Mergea F v Arends S / Pel D | 4-6,6-1,10-6 |
| Challenger - Koblenz - Doubles Hommes | 2020/02/21 17:45 | Arends S / Pel D v Griekspoor T / van de Zandschulp B | 3-6,7-6,12-10 |
| Challenger - Koblenz - Doubles Hommes | 2020/02/20 13:45 | Arends S / Pel D v Kopriva V / Safranek V | 6-4,6-2 |
| ATP - Rotterdam - Doubles Hommes | 2020/02/12 15:45 | Klaasen R / Marach O v Arends S / Pel D | 6-3,7-5 |
| ATP Pune MD | 2020/02/05 10:00 | Haase R / Lindstedt R v Arends S / Pel D | 6-7,6-3,10-8 |
| Challenger Ortisei MD | 2019/11/16 14:35 | Cacic N / Sancic A v Arends S / Pel D | 6-7,7-6,10-7 |
| Challenger Ortisei MD | 2019/11/15 11:55 | Cerretani J / Cressy M v Arends S / Pel D | 4-6,2-6 |
| Challenger Ortisei MD | 2019/11/14 11:30 | Martos Gornes S / Puodziunas S v Arends S / Pel D | 4-6,4-6 |
| Challenger Ortisei MD | 2019/11/12 19:30 | Ferri L / Sinner J v Arends S / Pel D | 4-6,4-6 |
| Challenger - Koblenz - Doubles Hommes | 2020/02/21 11:00 | Begemann A / Mergea F v Brown D / Miedler L | 2-6,7-6,10-5 |
| Challenger - Koblenz - Doubles Hommes | 2020/02/19 20:40 | Begemann A / Mergea F v Balaji N S / Nedunchezhiyan J | 7-6,4-6,10-6 |
| Challenger Eckental MD | 2019/11/02 11:00 | Begemann A / Mergea F v Skupski K / Smith J-P | 6-7,6-4,7-10 |
| Challenger Eckental MD | 2019/11/01 11:00 | Cerretani J / Cressy M v Begemann A / Mergea F | 2-6,5-7 |
| Challenger Eckental MD | 2019/10/30 20:40 | Begemann A / Mergea F v Arneodo R / Vasilevski A | 6-3,6-4 |
| Challenger - Hambourg - Doubles Hommes | 2019/10/23 19:45 | Begemann A / Mergea F v Junaid R / Raja P | 4-6,6-3,7-10 |
| Challenger Ismaning MD | 2019/10/16 17:55 | Halys Q / Lamasine T v Begemann A / Mergea F | 4-6,6-3,10-8 |
| Challenger Biella MD | 2019/09/18 12:50 | Begemann A / Mergea F v Behar A / Golubev A | 4-6,2-6 |