| ATP Next Gen Finals | 11/10 20:05 | - | [15] Stefanos Tsitsipas v Alex De Minaur [31] | 2-4,4-1,4-3,4-3 | |
| ATP Next Gen Finals | 11/09 18:00 | - | [31] Alex De Minaur v Jaume Munar [76] | 3-4,4-1,4-1,3-4,4-2 | |
| ATP Next Gen Finals | 11/08 18:30 | 1 | [31] Alex De Minaur v Taylor Fritz [47] | 4-3,4-1,4-2 | |
| ATP Next Gen Finals | 11/07 20:00 | 1 | [31] Alex De Minaur v Andrey Rublev [68] | 4-1,3-4,4-1,4-2 | |
| ATP Next Gen Finals | 11/06 20:10 | 1 | Alex De Minaur v Liam Caruana | 4-1,4-1,4-2 | |
| ATP Paris | 10/29 15:15 | - | [71] Feliciano Lopez v Alex De Minaur [33] | 6-7,6-4,7-6 | |
| ATP Stockholm | 10/16 18:45 | - | [31] Alex De Minaur v Philipp Kohlschreiber [35] | 6-7,7-6,1-6 | |
| ATP Shanghai | 10/11 05:00 | - | [33] Alex De Minaur v Alexander Zverev [5] | 1-6,4-6 | |
| ATP Shanghai | 10/10 05:00 | - | [62] Benoit Paire v Alex De Minaur [33] | 4-6,3-6 | |
| ATP Shanghai | 10/09 05:00 | - | [82] Vasek Pospisil v Alex De Minaur [33] | 4-6,6-7 | |
| ATP Tokyo | 10/04 05:40 | - | [15] Stefanos Tsitsipas v Alex De Minaur [38] | 6-3,5-7,6-1 | |
| ATP Tokyo | 10/03 03:00 | - | [29] Gilles Simon v Alex De Minaur [38] | 7-6,6-7,2-6 | |
| ATP Shenzhen | 09/29 09:00 | - | [40] Alex De Minaur v Pierre-Hugues Herbert [67] | 5-7,6-2,6-7 | |
| ATP Shenzhen | 09/28 09:00 | - | [40] Alex De Minaur v Damir Dzumhur [39] | 6-3,7-6 | |
| ATP Shenzhen | 09/27 08:45 | - | [40] Alex De Minaur v Mackenzie McDonald [80] | 1-6,7-6,6-0 | |
| ATP Shenzhen | 09/25 14:05 | - | [40] Alex De Minaur v Yuichi Sugita [100] | 6-3,6-0 | |
| 2018 Davis Cup | 09/16 08:45 | - | [8] Dominic Thiem v Alex De Minaur [38] | 6-4,6-2,3-6,6-4 | |
| 2018 Davis Cup | 09/14 10:50 | - | [133] Dennis Novak v Alex De Minaur [38] | 3-6,6-2,6-3,6-2 | |
| US Open | 09/02 02:10 | - | [7] Marin Cilic v Alex De Minaur [45] | 4-6,3-6,6-3,6-4,7-5 | |
| US Open | 08/30 21:15 | - | [45] Alex De Minaur v Frances Tiafoe [44] | 6-4,6-0,5-7,6-2 | |
| US Open | 08/28 22:35 | - | [45] Alex De Minaur v Taro Daniel [64] | 6-0,6-1,6-2 | |
| ATP Winston-Salem | 08/21 19:00 | - | [57] Daniil Medvedev v Alex De Minaur [43] | 6-3,6-3 | |
| ATP Washington | 08/05 19:00 | - | [3] Alexander Zverev v Alex De Minaur [72] | 6-2,6-4 | |
| ATP Washington | 08/04 22:45 | - | [72] Alex De Minaur v Andrey Rublev [46] | 5-7,7-6,6-4 | |
| ATP Washington | 08/04 00:20 | - | Alex De Minaur v Andy Murray | Walkover | |
| ATP Washington | 08/03 02:55 | - | [23] Hyeon Chung v Alex De Minaur [72] | 2-6,6-4,2-6 | |
| ATP Washington | 08/02 19:30 | - | [72] Alex De Minaur v Steve Johnson [34] | 6-4,7-5 | |
| ATP Washington | 07/31 22:15 | - | [92] Vasek Pospisil v Alex De Minaur [72] | 7-6,2-6,3-6 | |
| ATP Atlanta | 07/25 23:00 | - | [9] John Isner v Alex De Minaur [68] | 6-3,6-2 | |
| ATP Atlanta | 07/23 17:00 | - | [68] Alex De Minaur v Hubert Hurkacz [125] | 1-6,7-6,7-6 |