2023 Nottingham Open – Men's singles
# 2023 Nottingham Open – Men's singles

Andy Murray won the title of the men's singles tennis tournament at the 2023 Nottingham Open after defeating Arthur Cazaux 6–4, 6–4 in the final.

Dan Evans was the defending champion but chose not to defend his title.

## Seeds

* Andy Murray (champion)
* Constant Lestienne (first round)
* Nuno Borges (semifinals)
* Aleksandar Vukic (first round)
* Dominik Koepfer (semifinals)
* Thanasi Kokkinakis (first round)
* Aleksandar Kovacevic (first round)
* Dominic Stricker (quarterfinals)

## 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 | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - |
| 1/WC | Andy Murray | 6 | 6 | | | | |
| 3 | Nuno Borges | 3 | 2 | | | | |
| 3 | Nuno Borges | 3 | 2 | 1/WC | Andy Murray | 6 | 6 |
| | | | | Q | Arthur Cazaux | 4 | 4 |
| Q | Arthur Cazaux | 7 | 6 | Q | Arthur Cazaux | 4 | 4 |
| 5 | Dominik Koepfer | 5 | 2 | | | | |

### Top 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1/WC | A Murray | 6 | 6 | | | | | | | | | | | | | | |
| Q | J De Loore | 3 | 4 | | 1/WC | A Murray | 6 | 7 | | | | | | | | | |
| | H Grenier | 6 | 6 | | | H Grenier | 3 | 5 | | | | | | | | | |
| | J Choinski | 4 | 4 | | | | | | | 1/WC | A Murray | $7^7$ | 7 | | | | |
| Alt | R Peniston | 6 | 6 | | | | | | | 8 | D Stricker | $6^2$ | 5 | | | | |
| | M Bellucci | 2 | 1 | | Alt | R Peniston | 4 | 2 | | | | | | | | | |
| | D Kudla | $6^6$ | 2 | | 8 | D Stricker | 6 | 6 | | | | | | | | | |
| 8 | D Stricker | $7^8$ | 6 | | | | | | | | | | | 1/WC | A Murray | 6 | 6 |
| 3 | N Borges | 6 | 6 | | | | | | | | | | | 3 | N Borges | 3 | 2 |
| PR | H Chung | 3 | 2 | | 3 | N Borges | 6 | 3 | 6 | | | | | | | | |
| | S-c Hong | $6^4$ | 2 | | | Y Bu | 3 | 6 | 3 | | | | | | | | |
| | Y Bu | $7^7$ | 6 | | | | | | | 3 | N Borges | 6 | 6 | | | | |
| Q | R Noguchi | 7 | 1 | 2 | | | | | | | S Shimabukuro | 4 | 4 | | | | |
| | L Broady | 5 | 6 | 6 | | L Broady | $6^4$ | 4 | | | | | | | | | |
| | S Shimabukuro | 6 | 1 | 6 | | S Shimabukuro | $7^7$ | 6 | | | | | | | | | |
| 7 | A Kovacevic | 4 | 6 | 4 | | | | | | | | | | | | | |

### 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 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 6 | T Kokkinakis | 6 | 2 | $6^5$ | | | | | | | | | | | | | | |
| Q | Z Svajda | 4 | 6 | $7^7$ | Q | Z Svajda | $6^3$ | $6^4$ | | | | | | | | | | |
| Alt | Y-h Hsu | 4 | 3 | | Q | A Cazaux | $7^7$ | $7^7$ | | | | | | | | | | |
| Q | A Cazaux | 6 | 6 | | | | | | | Q | A Cazaux | $7^7$ | 7 | | | | | |
| | G Diallo | 6 | 6 | | | | | | | | G Diallo | $6^2$ | 5 | | | | | |
| | E Couacaud | 3 | 3 | | | G Diallo | 3 | 7 | 6 | | | | | | | | | |
| Q | A Michelsen | 2 | $7^9$ | 6 | Q | A Michelsen | 6 | 5 | 3 | | | | | | | | | |
| 4 | A Vukic | 6 | $6^7$ | 4 | | | | | | | | | | | Q | A Cazaux | 7 | 6 |
| 5 | D Koepfer | 6 | 6 | | | | | | | | | | | | 5 | D Koepfer | 5 | 2 |
| LL | L Lokoli | 2 | 4 | | 5 | D Koepfer | 6 | 6 | | | | | | | | | | |
| | S Johnson | 6 | 3 | 3 | WC | A Fery | 4 | 2 | | | | | | | | | | |
| WC | A Fery | 4 | 6 | 6 | | | | | | 5 | D Koepfer | 7 | 4 | 6 | | | | |
| | O Virtanen | 3 | $6^6$ | | | | | | | WC | G Loffhagen | 5 | 6 | 3 | | | | |
| WC | G Loffhagen | 6 | $7^8$ | | WC | G Loffhagen | 6 | 5 | 6 | | | | | | | | | |
| Q | J Shang | $7^7$ | 4 | 6 | Q | J Shang | 4 | 7 | 3 | | | | | | | | | |
| 2 | C Lestienne | $6^5$ | 6 | 4 | | | | | | | | | | | | | | |
