| French Open | 05/23 13:00 | 46 | [120] Stefano Travaglia v Steve Darcis [244] | 7-6,6-3 | |
| French Open | 05/22 12:15 | 45 | [244] Steve Darcis v Corentin Denolly [429] | 3-6,6-1,6-4 | |
| French Open | 05/20 10:15 | 44 | [186] Hiroki Moriya v Steve Darcis [244] | 6-7,5-7 | |
| Challenger Lisbon | 05/16 11:55 | 26 | [256] Steve Darcis v Sandro Ehrat [473] | 2-6,4-6 | |
| Challenger Lisbon | 05/15 12:35 | 25 | [50] Adrian Mannarino v Steve Darcis [256] | 7-5,0-6,1-6 | |
| Challenger Lisbon | 05/14 09:00 | 24 | [256] Steve Darcis v Nicola Kuhn [262] | 6-1,7-5 | |
| Challenger Bordeaux | 04/29 15:45 | 24 | [252] Johan Tatlot v Steve Darcis [251] | 7-6,6-3 | |
| Challenger Francavilla | 04/22 13:25 | 24 | [250] Steve Darcis v Norbert Gombos [222] | 6-4,2-6,3-6 | |
| Challenger Barletta | 04/08 12:35 | 24 | [304] Pavel Kotov v Steve Darcis [250] | 4-6,6-2,7-6 | |
| Challenger Pau | 03/02 15:00 | 28 | [264] Norbert Gombos v Steve Darcis [283] | Retired | |
| Challenger Pau | 03/01 15:00 | 27 | [164] Quentin Halys v Steve Darcis [283] | 4-6,4-6 | |
| Challenger Pau | 02/28 19:25 | 26 | [283] Steve Darcis v Mathias Bourgue [245] | 3-6,7-5,7-6 | |
| Challenger Pau | 02/27 19:50 | 25 | [188] Arthur De Greef v Steve Darcis [283] | 6-7,5-7 | |
| Challenger Pau | 02/26 10:40 | 24 | [283] Steve Darcis v Alexandre Muller [336] | 6-1,7-6 | |
| Challenger Pau | 02/25 09:30 | 166 | [283] Steve Darcis v Baptiste Crepatte [425] | 7-6,6-3 | |
| ATP Marseille | 02/20 11:00 | 25 | [143] Matthias Bachinger v Steve Darcis [283] | 4-6,6-3,6-4 | |
| Challenger Cherbourg | 02/17 14:20 | 29 | [88] Ugo Humbert v Steve Darcis [313] | 6-7,6-3,6-3 | |
| Challenger Cherbourg | 02/16 15:50 | 28 | [120] Stefano Travaglia v Steve Darcis [313] | 7-6,3-6,3-6 | |
| Challenger Cherbourg | 02/15 12:30 | 27 | [142] Lukas Rosol v Steve Darcis [313] | 3-6,5-7 | |
| Challenger Cherbourg | 02/14 11:30 | 26 | [313] Steve Darcis v Yannick Maden [112] | 6-4,3-6,7-6 | |
| Challenger Cherbourg | 02/12 16:15 | 25 | [209] Arthur De Greef v Steve Darcis [313] | Retired | |
| Challenger Cherbourg | 02/11 17:40 | 24 | [276] Bernabe Zapata Miralles v Steve Darcis [313] | 6-1,2-6,1-6 | |
| ATP Montpellier | 02/05 11:00 | 25 | [150] Antoine Hoang v Steve Darcis [311] | 6-1,6-2 | |
| Challenger Quimper | 01/29 17:25 | 24 | Steve Darcis v Manuel Guinard | 2-6,6-3,4-6 | |
| Challenger Quimper | 01/29 09:00 | 24 | Steve Darcis v Daniel Masur | Cancelled | |
| Australian Open | 01/15 01:30 | 23 | [12] Borna Coric v Steve Darcis [321] | 6-1,6-4,6-4 | |
| ATP Pune | 01/04 13:30 | 28 | Steve Darcis v Ivo Karlovic | 6-7,6-4,3-6 | |
| ATP Pune | 01/03 11:30 | 27 | Steve Darcis v Malek Jaziri | 7-5,6-2 | |
| ATP Pune | 01/02 12:30 | 26 | Steve Darcis v Michael Mmoh | 4-6,7-6,6-2 | |
| ATP Pune | 12/31 09:30 | 25 | [73] Roberto Carballes Baena v Steve Darcis [77] | 3-6,4-6 |