Felix
Auger-Aliassime
| Birthdate | 08.08.2000 |
| Birthplace | Montreal, Canada |
| Height | 193cm |
| Weight | 88kg |
| Plays | Right Handed |
| Current ATP Ranking - Singles | 12 |
| Career High ATP Ranking - Singles | 6 |
| Career Review Prize Money | $17,533,249 |
Marin
Cilic
| Birthdate | 28.09.1988 |
| Birthplace | Medjugorje, Bosnia-Herzegovina |
| Height | 198cm |
| Weight | 89kg |
| Plays | Right Handed |
| Current ATP Ranking - Singles | 89 |
| Career High ATP Ranking - Singles | 3 |
| Career Review Prize Money | $32,396,022 |
Spielplan Sonntag, 23. Oktober 2023
Center Court
| Starts At 14:00 | |||
| (5) |  Felix Auger-Aliassime | (Q) |  Marin Cilic |
| Followed By | |||
 Jaume Munar | (2) |  Ben Shelton | |
| Not Before 18:00 | |||
| (4) |  Casper Ruud | (WC) |  Stan Wawrinka |
| Followed By | |||
| (1) | Taylor Fritz |  Ugo Humbert | |
IWB Court 1
| Starts At 12:00 | |||
| (1) | Marcel Granollers Horacio Zeballos | (WC) | Marc-Andrea Huesler Jakub Paul |
| Followed By | |||
| (LL) | Valentin Royer | (9) | Denis Shapovalov |
| Followed By | |||
 Sander Arends Luke Johnson |  Adam Pavlasek Jan Zielinski | ||
| Followed By | |||
| (Q) | Reilly Opelka | (LL) | Botic van de Zandschulp |
| Followed By | |||
| (WC) | Pierre-Hugues Herbert Nicolas Mahut |  Rohan Bopanna Ben Shelton | |