Head to Head
| ATP Washington | 2014/07/29 20:00 | Steve Johnson v James Duckworth | 6-3,7-6 |
Home History
| ATP Montreal | 2015/08/11 16:30 | David Goffin v Steve Johnson | 6-2,6-2 |
| ATP Washington | 2015/08/08 23:00 | John Isner v Steve Johnson | 6-3,3-6,7-6 |
| ATP Washington | 2015/08/08 01:10 | Jack Sock v Steve Johnson | 6-7,1-6 |
| ATP Washington | 2015/08/06 22:40 | Steve Johnson v Grigor Dimitrov | 6-3,1-6,6-3 |
| ATP Washington | 2015/08/05 21:45 | Bernard Tomic v Steve Johnson | 7-6,4-6,2-6 |
| ATP Washington | 2015/08/04 20:00 | Lukas Lacko v Steve Johnson | 5-7,3-6 |
| ATP Newport | 2015/07/15 16:35 | Tatsuma Ito v Steve Johnson | 6-4,6-4 |
| ATP Newport | 2015/07/13 15:00 | Michael Berrer v Steve Johnson | 7-6,1-6,2-6 |
Away History
| ATP Montreal Qual | 2015/08/09 20:45 | Denis Kudla v James Duckworth | 6-4,6-1 |
| ATP Montreal Qual | 2015/08/08 19:10 | Illya Marchenko v James Duckworth | 3-6,5-7 |
| ATP Washington | 2015/08/05 02:00 | James Duckworth v Kei Nishikori | 7-6,1-6,4-6 |
| ATP Washington | 2015/08/03 20:00 | James Duckworth v Ryan Harrison | 6-1,7-6 |
| Wimbledon | 2015/07/02 10:30 | Sam Groth v James Duckworth | 7-5,6-4,7-6 |
| Wimbledon | 2015/06/30 10:30 | Malek Jaziri v James Duckworth | 6-7,2-6,6-3,6-3,5-7 |
| Challenger Bordeaux | 2015/05/13 08:30 | Jurgen Zopp v James Duckworth | 6-2,6-7,6-4 |
| Challenger Bordeaux | 2015/05/11 14:15 | Quentin Halys v James Duckworth | 4-6,7-6,3-6 |