Stadium: Estadio 2 Round: 27 Ground: Clay
| Santo Domingo, Dominican Republic | 2018/10/11 15:25 | Emilio Gomez v Krstin, Pedja | 3-6,1-6 |
| Santo Domingo, Dominican Republic | 2018/10/08 23:10 | Krstin, Pedja v Roberto Cid Subervi | 6-0,6-1 |
| Monterrey, Mexico | 2018/10/03 00:00 | Krstin, Pedja v Pedro Martinez | 6-1,6-7,3-6 |
| Challenger Tiburon | 2018/09/24 21:00 | Krstin, Pedja v Fratangelo, Bjorn | 0-6,3-6 |
| Coupe Davis | 2018/09/16 11:00 | Krstin, Pedja v Balaji, N. Sriram | 6-3,6-1 |
| Challenger Seville | 2018/09/07 19:25 | Krstin, Pedja v Kimmer Coppejans | 6-4,2-6,3-6 |
| Challenger Seville | 2018/09/06 21:00 | Krstin, Pedja v Grigelis, Laurynas | 2-6,6-3,6-4 |
| Challenger Seville | 2018/09/05 16:30 | Krstin, Pedja v Mohamed Safwat | 6-2,2-6,6-2 |
| Santo Domingo, Dominican Republic | 2018/10/11 15:40 | Gastao Elias v Melzer, Jurgen | 7-6,6-7,6-7 |
| Santo Domingo, Dominican Republic | 2018/10/10 05:20 | Melzer, Jurgen v Hugo Dellien | 7-5,6-3 |
| Monterrey, Mexico | 2018/10/05 04:00 | Melzer, Jurgen v Sebastian Ofner | 6-3,6-7,3-6 |
| Monterrey, Mexico | 2018/10/03 01:25 | Lorenzi, Paolo v Melzer, Jurgen | 5-7,3-6 |
| US Open, New York, USA | 2018/08/22 18:45 | Melzer, Jurgen v Kenny de Schepper | 6-7,2-6 |
| ATP Hamburg Qual | 2018/07/22 12:05 | Nikoloz Basilashvili v Melzer, Jurgen | 6-4,4-6,7-5 |
| ATP Hamburg Qual | 2018/07/21 14:10 | Melzer, Jurgen v Martin Klizan | 6-3,6-4 |
| Wimbledon Qual | 2018/06/28 12:00 | Melzer, Jurgen v Maden, Yannick | 7-5,6-3,6-7,4-6,3-6 |