Stadium: Court 3 Round: 27 Ground: Hardcourt indoor
| Challenger Bratislava MD | 2019/11/06 19:45 | Klein L / Molcan A v Altuna T / Puodziunas S | 7-5,7-5 |
| Challenger Bratislava MD | 2019/06/22 15:10 | Gille/Vliegen v Klein L / Molcan A | 6-2,7-5 |
| Challenger Bratislava MD | 2019/06/21 13:35 | Lammons N / Sancic A v Klein L / Molcan A | 5-7,3-6 |
| Challenger Bratislava MD | 2019/06/20 15:45 | Klein L / Molcan A v Arevalo-Gonzalez M / Reyes-Varela M A | 2-6,6-3,10-7 |
| Challenger Bratislava MD | 2019/06/19 12:20 | Klein L / Molcan A v Rondoni P / Vanneste J | 3-6,7-6,11-9 |
| Challenger Bratislava MD | 2016/11/09 18:50 | Fyrstenberg M / Zimonjic N v Klein L / Molcan A | 6-4,7-6 |
| ITF Turkey F6 MD | 2016/02/13 15:05 | Tuna Altuna/Celikbilek v Klein L / Molcan A | 5-7,4-6 |
| ITF Turkey F40 MD | 2015/10/06 13:20 | Brunner P / Miedler L v Klein L / Molcan A | 6-2,6-3 |
| Challenger Bratislava MD | 2019/11/06 09:00 | Skupski K / Smith J-P v Nielsen F / Puetz T | 6-7,6-7 |
| ATP Vienna MD | 2019/10/23 16:35 | Kontinen H / Peers J v Nielsen F / Puetz T | 6-2,6-3 |
| ATP Vienna MD | 2019/10/20 15:00 | Bambridge L / Mclachlan B v Nielsen F / Puetz T | 6-3,6-4 |
| ATP Vienna MD | 2019/10/19 16:00 | Hurkacz/Querrey v Nielsen F / Puetz T | 5-7,3-6 |
| ATP Antwerp MD | 2019/10/16 14:30 | Nielsen F / Puetz T v Gille/Vliegen | 3-6,6-4,7-10 |
| ATP St Petersburg MD | 2019/09/19 14:50 | Nielsen F / Puetz T v Berrettini M / Bolelli S | 4-6,6-4,7-10 |
| ATP St Petersburg MD | 2019/09/18 14:55 | Nielsen F / Puetz T v Fucsovics/Travaglia | 6-4,6-4 |
| ATP Kitzbuhel MD | 2019/08/02 15:10 | Nielsen F / Puetz T v Gille/Vliegen | 1-6,3-6 |