| ATP Istanbul | 05/05 11:30 | 27 | [49] Steve Darcis v Marin Cilic [8] | 1-6,1-6 | |
| ATP Istanbul | 05/03 11:40 | 26 | [49] Steve Darcis v Jiri Vesely [59] | 6-2,6-1 | |
| ATP Istanbul | 05/01 12:05 | 25 | [49] Steve Darcis v Dudi Sela [99] | 7-5,6-4 | |
| ATP Budapest | 04/24 09:00 | 25 | [53] Steve Darcis v Damir Dzumhur [90] | 6-3,2-6,2-6 | |
| ATP Monte Carlo | 04/16 12:05 | 24 | [51] Steve Darcis v David Goffin [14] | 2-6,1-6 | |
| Davis Cup | 04/07 12:00 | 27 | [53] Steve Darcis v Paolo Lorenzi [38] | 6-7,6-1,6-1,7-6 | |
| ATP Delray Beach | 02/24 15:00 | 27 | Steve Darcis v Donald Young | Walkover | |
| ATP Delray Beach | 02/23 16:00 | 26 | [57] Steve Darcis v Nikoloz Basilashvili [53] | 6-3,7-5 | |
| ATP Delray Beach | 02/21 17:20 | 25 | [31] Bernard Tomic v Steve Darcis [57] | 6-3,1-6,4-6 | |
| ATP Delray Beach Qual | 02/19 17:30 | - | Steve Darcis v Darian King | 6-1,6-4 | |
| ATP Delray Beach Qual | 02/18 19:50 | 26 | Steve Darcis v Marcos Giron | 6-2,6-0 | |
| ATP Memphis | 02/15 22:05 | 26 | [55] Steve Darcis v Damir Dzumhur [86] | 6-7,4-6 | |
| ATP Memphis | 02/14 22:15 | 25 | [55] Steve Darcis v Radu Albot [89] | 7-5,3-6,6-4 | |
| ATP Sofia | 02/10 12:00 | 27 | [59] Steve Darcis v David Goffin [11] | 1-6,3-6 | |
| ATP Sofia | 02/09 15:20 | 26 | [59] Steve Darcis v Andreas Seppi [75] | 6-3,7-5 | |
| ATP Sofia | 02/07 16:00 | 25 | Maximilian Marterer v Steve Darcis | 3-6,6-7 | |
| Davis Cup | 02/05 12:00 | 26 | [22] Alexander Zverev v Steve Darcis [58] | 6-2,4-6,4-6,6-7 | |
| Davis Cup | 02/03 13:00 | 26 | [29] Philipp Kohlschreiber v Steve Darcis [58] | 4-6,6-3,6-2,6-7,6-7 | |
| Australian Open 2017 | 01/20 02:55 | 25 | [71] Steve Darcis v Andreas Seppi [89] | 6-4,4-6,6-7,6-7 | |
| Australian Open 2017 | 01/18 05:05 | 24 | Diego Schwartzman v Steve Darcis | 3-6,3-6,6-2,4-6 | |
| Australian Open 2017 | 01/16 08:50 | 23 | Steve Darcis v Sam Groth | 3-6,6-3,6-2,6-2 | |
| Challenger Canberra | 01/13 00:00 | 28 | [64] Jan-Lennard Struff v Steve Darcis [80] | 7-6,6-3 | |
| Challenger Canberra | 01/12 02:25 | 27 | Denis Shapovalov v Steve Darcis | 0-6,6-7 | |
| Challenger Canberra | 01/10 23:00 | 26 | Hans P-Castillo v Steve Darcis | 2-6,4-6 | |
| Challenger Canberra | 01/08 23:00 | 25 | Corentin Moutet v Steve Darcis | 1-6,1-6 | |
| ATP Chennai | 01/04 11:30 | 26 | Albert R-Vinolas v Steve Darcis | 6-2,6-0 | |
| ATP Chennai | 01/02 11:30 | 25 | Steve Darcis v Nikola Mektic | 6-2,6-3 | |
| Challenger Eckental | 11/06 13:00 | 29 | Alex De Minaur v Steve Darcis | 4-6,2-6 | |
| Challenger Eckental | 11/05 11:45 | 28 | Steve Darcis v Kevin Krawietz | 6-3,6-1 | |
| Challenger Eckental | 11/04 12:25 | 27 | Steve Darcis v Matthias Bachinger | 6-4,6-2 |