| US Open | 08/24 15:00 | 14 | [193] Gerald Melzer v Jozef Kovalik [187] | 5-7,2-6 | |
| Challenger - Santo Domingo | 08/17 03:00 | 25 | [191] Gerald Melzer v Pedro Cachin [88] | 4-6,1-6 | |
| ATP - Kitzbühel | 07/26 12:05 | 25 | [188] Gerald Melzer v Yannick Hanfmann [140] | Retired | |
| ATP - Kitzbühel | 07/24 11:30 | - | [311] Ivan Gakhov v Gerald Melzer [199] | 3-6,6-3,3-6 | |
| ATP - Kitzbühel | 07/23 13:45 | 26 | [264] Hamad Medjedovic v Gerald Melzer [199] | 6-2,2-6,2-6 | |
| Challenger - Tampere | 07/22 11:00 | 27 | [241] Laurent Lokoli v Gerald Melzer [199] | 7-6,4-6,7-5 | |
| Challenger - Tampere | 07/20 14:30 | 26 | [227] Sebastian Ofner v Gerald Melzer [199] | 3-6,6-7 | |
| Challenger - Tampere | 07/19 09:00 | 25 | [199] Gerald Melzer v Mats Moraing [142] | 6-7,6-4,6-1 | |
| Challenger - Bogota | 07/10 16:00 | 29 | [247] Gerald Melzer v Juan Pablo Ficovich [163] | 1-6,2-6 | |
| Challenger - Bogota | 07/09 16:00 | 28 | [247] Gerald Melzer v Miljan Zekic [276] | 6-1,2-6,6-4 | |
| Challenger - Bogota | 07/08 17:45 | 27 | [369] Nicolas Alvarez v Gerald Melzer [247] | 6-3,3-6,5-7 | |
| Challenger - Bogota | 07/07 15:00 | 26 | [387] Evan Zhu v Gerald Melzer [247] | 6-7,5-7 | |
| Challenger - Bogota | 07/05 18:25 | 25 | [348] Adrian M-Maceiras v Gerald Melzer [247] | 5-7,6-0,3-6 | |
| Challenger - Cali | 06/29 18:00 | 26 | [247] Gerald Melzer v Yunseong Chung [422] | 4-6,2-6 | |
| Challenger - Cali | 06/28 20:10 | 25 | Gerald Melzer v Mateo Gomez | 6-0,6-0 | |
| Wimbledon | 06/20 12:20 | 14 | [182] Michael Mmoh v Gerald Melzer [245] | 6-1,6-3 | |
| Challenger - Mauthausen | 05/05 13:30 | 26 | [148] Dennis Novak v Gerald Melzer [249] | Retired | |
| Challenger - Mauthausen | 05/03 13:15 | 25 | [217] Borna Gojo v Gerald Melzer [249] | 4-6,3-6 | |
| Challenger - Aguascalientes | 04/19 18:30 | 25 | [248] Gerald Melzer v Ernesto Escobedo [140] | 3-6,6-3,3-6 | |
| Challenger - San Luis Potosi | 04/13 02:15 | 25 | [252] Gerald Melzer v Nicolas Jarry [134] | 6-2,3-6,6-7 | |
| Challenger - Mexico City | 04/07 17:35 | 27 | [139] Nicolas Jarry v Gerald Melzer [271] | 7-6,7-5 | |
| Challenger - Mexico City | 04/06 18:10 | 26 | [413] Nicolas Barrientos v Gerald Melzer [271] | 1-6,1-6 | |
| Challenger - Mexico City | 04/04 21:55 | 25 | [271] Gerald Melzer v Stefan Kozlov [122] | Retired | |
| Challenger - Pereira | 03/29 23:20 | 25 | [104] Facundo Bagnis v Gerald Melzer [270] | Retired | |
| Challenger - Santa Cruz | 03/22 23:05 | 25 | [322] Daniel Dutra Da Silva v Gerald Melzer [270] | 6-2,6-3 | |
| Challenger - Santa Cruz | 03/22 23:00 | 25 | Tomas Martin Etcheverry v Gerald Melzer | Cancelled | |
| Challenger - Concepción | 03/14 17:25 | 25 | [175] Camilo Ugo Carabelli v Gerald Melzer [273] | 3-6,6-3,7-5 | |
| Challenger - Maia | 12/14 11:00 | 25 | [292] Gerald Melzer v Goncalo Oliveira [282] | 6-4,4-6,6-7 | |
| Davis Cup | 11/26 15:00 | 1 | [33] Dusan Lajovic v Gerald Melzer [287] | 7-6,3-6,7-5 | |
| Challenger - Lima | 10/28 19:10 | 26 | [297] Gerald Melzer v Alejandro Tabilo [174] | 3-6,3-6 |
Wikipedia - Gerald Melzer
Gerald Melzer (* 13. Juli 1990 in Wien) ist ein österreichischer Tennisspieler.