# 2023 Geneva Open – Singles

Nicolás Jarry defeated Grigor Dimitrov in the final, 7–6$^{(7–1)}$, 6–1 to win the singles tennis title at the 2023 Geneva Open.
Casper Ruud was the two-time defending champion, but was defeated in the quarterfinals by Jarry.

## Seeds

The top four seeds receive a bye into the second round.
* Casper Ruud (quarterfinals)
* Taylor Fritz (semifinals)
* Alexander Zverev (semifinals)
* Grigor Dimitrov (final)
* Ben Shelton (first round)
* Tallon Griekspoor (second round, withdrew)
* Bernabé Zapata Miralles (second round, retired)
* Adrian Mannarino (second round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Nicolás Jarry | 7$^7$ | 6 | | | | | |
| 3/WC | Alexander Zverev | 6$^3$ | 3 | | | | | |
| 3/WC | Alexander Zverev | 6$^3$ | 3 | | | Nicolás Jarry | 7$^7$ | 6 |
| | | | | | 4/WC | Grigor Dimitrov | 6$^1$ | 1 |
| 4/WC | Grigor Dimitrov | 3 | 7 | 7$^7$ | 4/WC | Grigor Dimitrov | 6$^1$ | 1 |
| 2 | Taylor Fritz | 6 | 5 | 6$^2$ | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | C Ruud | 6 | 7 | | | | | | | | | |
| PR | H Dellien | 4 | 2 | | | JJ Wolf | 3 | 5 | | | | | | | | | |
| | JJ Wolf | 6 | 6 | | | | | | 1 | C Ruud | 6 | 6$^2$ | 5 | | | | |
| | N Jarry | 6 | 6 | | | | | | | N Jarry | 3 | 7$^7$ | 7 | | | | |
| | D Lajović | 4 | 2 | | | N Jarry | w/o | | | | | | | | | | |
| Q | S Travaglia | 5 | 6$^3$ | | 6 | T Griekspoor | | | | | | | | | | | |
| 6 | T Griekspoor | 7 | 7$^7$ | | | | | | | | | | | | N Jarry | 7$^7$ | 6 |
| | | | | | | | | | | | | | | 3/WC | A Zverev | 6$^3$ | 3 |
| | | | | | 3/WC | A Zverev | 6 | 6 | | | | | | | | | |
| | C Eubanks | 7$^7$ | 6 | | | C Eubanks | 2 | 3 | | | | | | | | | |
| WC | B Paire | 6$^2$ | 3 | | | | | | 3/WC | A Zverev | 4 | | | | | | |
| | Y Wu | 6 | 4 | 7$^8$ | | | | | | Y Wu | 1$^r$ | | | | | | |
| | M-A Hüsler | 4 | 6 | 6$^6$ | | Y Wu | 7$^7$ | 6 | | | | | | | | | |
| | M Cecchinato | 7 | 2 | 6 | | M Cecchinato | 6$^5$ | 3 | | | | | | | | | |
| 5 | B Shelton | 5 | 6 | 2 | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | B Zapata Miralles | 6 | 6 | | | | | | | | | | | | | | | | |
| Q | V Sachko | 2 | 4 | | 7 | B Zapata Miralles | 0 | 0$^r$ | | | | | | | | | | | |
| Q | N Serdarušić | 6$^5$ | 7$^7$ | 1 | | C O'Connell | 6 | 3 | | | | | | | | | | | |
| | C O'Connell | 7$^7$ | 6$^1$ | 6 | | | | | | | C O'Connell | 7$^7$ | 5 | 4 | | | | | |
| Q | D Rincón | 4 | 6 | 0 | | | | | | 4/WC | G Dimitrov | 6$^5$ | 7 | 6 | | | | | |
| | R Carballés Baena | 6 | 4 | 6 | | R Carballés Baena | 1 | 4 | | | | | | | | | | | |
| | | | | | 4/WC | G Dimitrov | 6 | 6 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 4/WC | G Dimitrov | 3 | 7 | 7$^7$ |
| 8 | A Mannarino | 7 | 6 | | | | | | | | | | | | 2 | T Fritz | 6 | 5 | 6$^2$ |
| | F Krajinović | 5 | 1 | | 8 | A Mannarino | 4 | 6 | 3 | | | | | | | | | | |
| PR | G Pella | 4 | 5 | | | I Ivashka | 6 | 4 | 6 | | | | | | | | | | |
| | I Ivashka | 6 | 7 | | | | | | | | I Ivashka | 1 | 2 | | | | | | |
| | A Bublik | 0 | 4 | | | | | | | 2 | T Fritz | 6 | 6 | | | | | | |
| | M Giron | 6 | 6 | | | M Giron | 6 | 2 | 3 | | | | | | | | | | |
| | | | | | 2 | T Fritz | 4 | 6 | 6 | | | | | | | | | | |

## Qualifying
### Seeds

* Thiago Monteiro (qualifying competition)
* Arthur Cazaux (qualifying competition)
* Alessandro Giannessi (qualifying competition)
* Abdullah Shelbayh (first round)
* Marek Gengel (first round)
* Vitaliy Sachko (qualified)
* Salvatore Caruso (first round)
* Elmar Ejupovic (first round)

### Qualifiers

* Daniel Rincón
* Nino Serdarušić
* Vitaliy Sachko
* Stefano Travaglia

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Thiago Monteiro | 6 | 6 | | | | | | |
| | Fernando Verdasco | 2 | 2 | | | | | | |
| | Fernando Verdasco | 2 | 2 | | 1 | Thiago Monteiro | 6 | 4 | 3 |
| | | | | | | Daniel Rincón | 3 | 6 | 6 |
| | Daniel Rincón | 6 | 5 | 6 | | Daniel Rincón | 3 | 6 | 6 |
| 7 | Salvatore Caruso | 4 | 7 | 2 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2/WC | Arthur Cazaux | 7$^7$ | 6$^5$ | 6 | | | | | |
| WC | Jérôme Kym | 6$^2$ | 7$^7$ | 4 | | | | | |
| WC | Jérôme Kym | 6$^2$ | 7$^7$ | 4 | 2/WC | Arthur Cazaux | 4 | 6 | 6$^{10}$ |
| | | | | | | Nino Serdarušić | 6 | 4 | 7$^{12}$ |
| | Nino Serdarušić | 6 | 6 | | | Nino Serdarušić | 6 | 4 | 7$^{12}$ |
| 5 | Marek Gengel | 1 | 4 | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Alessandro Giannessi | 3 | 6 | 6 | | | | |
| | Denis Yevseyev | 6 | 4 | 2 | | | | |
| | Denis Yevseyev | 6 | 4 | 2 | 3 | Alessandro Giannessi | 5 | 2 |
| | | | | | 6 | Vitaliy Sachko | 7 | 6 |
| Alt | Illya Marchenko | 5 | 2 | | 6 | Vitaliy Sachko | 7 | 6 |
| 6 | Vitaliy Sachko | 7 | 6 | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Abdullah Shelbayh | 1 | 1 | | | | |
| | Stefano Travaglia | 6 | 6 | | | | |
| | Stefano Travaglia | 6 | 6 | | Stefano Travaglia | 6 | 6 |
| | | | | | Viktor Durasovic | 4 | 2 |
| | Viktor Durasovic | 4 | 6 | 6 | Viktor Durasovic | 4 | 2 |
| 8 | Elmar Ejupovic | 6 | 2 | 3 | | | |