[15] Stefanos Tsitsipas 6-3,3-6,7-6,6-4 Nikoloz Basilashvili [20] 2019-01-18 00:00
Stadium: Margaret Court Arena Round: 25 Ground: Hardcourt outdoor
Home History
| Australian Open | 2019/01/16 00:00 | Stefanos Tsitsipas v Viktor Troicki | 6-3,2-6,6-2,7-5 |
| Australian Open | 2019/01/14 01:25 | Stefanos Tsitsipas v Matteo Berrettini | 6-7,6-4,6-3,7-6 |
| ATP Sydney | 2019/01/10 02:00 | Stefanos Tsitsipas v Andreas Seppi | 6-4,4-6,4-6 |
| ATP Sydney | 2019/01/09 05:25 | Stefanos Tsitsipas v Guido Andreozzi | 6-3,6-4 |
| Hopman Cup | 2019/01/03 09:30 | Stefanos Tsitsipas v Roger Federer | 6-7,6-7 |
| Hopman Cup | 2018/12/31 02:00 | Frances Tiafoe v Stefanos Tsitsipas | 3-6,7-6,3-6 |
| Hopman Cup | 2018/12/29 02:00 | Cameron Norrie v Stefanos Tsitsipas | 7-6,6-4 |
| ATP Next Gen Finals | 2018/11/10 20:05 | Stefanos Tsitsipas v Alex De Minaur | 2-4,4-1,4-3,4-3 |
Away History
| Australian Open | 2019/01/16 00:00 | Stefano Travaglia v Nikoloz Basilashvili | 6-3,3-6,6-3,4-6,3-6 |
| Australian Open | 2019/01/14 00:00 | Christopher Eubanks v Nikoloz Basilashvili | 4-6,6-4,6-7,3-6 |
| ATP Doha | 2019/01/03 14:35 | Novak Djokovic v Nikoloz Basilashvili | 4-6,6-3,6-4 |
| ATP Doha | 2019/01/02 16:45 | Andrey Rublev v Nikoloz Basilashvili | 3-6,4-6 |
| ATP Doha | 2018/12/31 15:15 | Albert Ramos-Vinolas v Nikoloz Basilashvili | 1-6,6-1,1-6 |
| ATP Paris | 2018/10/31 14:25 | Kevin Anderson v Nikoloz Basilashvili | 6-3,6-7,7-6 |
| ATP Vienna | 2018/10/22 16:15 | Nikoloz Basilashvili v Kevin Anderson | 6-4,6-7,3-6 |
| ATP Shanghai | 2018/10/10 05:00 | Nikoloz Basilashvili v Alexander Zverev | 5-7,4-6 |