| Winner | Score | Loser |
| Alexander Zverev(GER) | 6-2,6-4 | Alex de Minaur(AUS) |
| Winner | Score | Loser |
| Svetlana Kuznetsova(RUS) | 6-4,7-6,6-2 | Donna Vekić(CRO) |
| Winner | Score | Loser |
| Bruno Soares(BRA) & Jamie Murray(GBR) | 3-6,6-3,10-4 | Mike Bryan(USA) & Édouard Roger-Vasselin(FRA) |
| Winner | Score | Loser |
| Darija Jurak(CRO) & Han Xinyun(CHN) | 6-3,6-2 | Alexa Guarachi(CHI) & Erin Routliffe(NZ) |
