# 2025 Glasgow Challenger – Singles

Clément Chidekh was the defending champion but lost in the first round to Matteo Martineau.
Nicolai Budkov Kjær won the title after defeating Viktor Durasovic 6–4, 6–3 in the final.

## Seeds

* Constant Lestienne (second round)
* Coleman Wong (second round)
* Dan Evans (second round)
* Liam Draxl (quarterfinals)
* Clément Chidekh (first round)
* Hugo Grenier (first round)
* Gauthier Onclin (first round)
* Maks Kaśnikowski (first 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 |
| | Max Hans Rehberg | 3 | 6$^3$ | | | | | |
| | Nicolai Budkov Kjær | 6 | 7$^7$ | | | | | |
| | Nicolai Budkov Kjær | 6 | 7$^7$ | | | Nicolai Budkov Kjær | 6 | 6 |
| | | | | | Alt | Viktor Durasovic | 4 | 3 |
| | Daniel Rincón | 7$^7$ | 3 | 0 | Alt | Viktor Durasovic | 4 | 3 |
| Alt | Viktor Durasovic | 6$^2$ | 6 | 6 | | | | |

### 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 |
| 1 | C Lestienne | 7 | 6 | | | | | | | | | | | | | |
| WC | H Searle | 5 | 0 | | 1 | C Lestienne | 3 | 6$^5$ | | | | | | | | |
| Q | C Negritu | 1 | 2 | | | MH Rehberg | 6 | 7$^7$ | | | | | | | | |
| | MH Rehberg | 6 | 6 | | | | | | | MH Rehberg | 7$^7$ | 4 | 4 | | | |
| WC | J Monday | 7$^8$ | 6 | | | | | | WC | J Monday | 6$^5$ | 6 | 2$^r$ | | | |
| | R Sakamoto | 6$^6$ | 4 | | WC | J Monday | 7 | 6 | | | | | | | | |
| LL | G Hussey | 6 | 6$^6$ | 6 | LL | G Hussey | 5 | 3 | | | | | | | | |
| 8 | M Kaśnikowski | 4 | 7$^8$ | 4 | | | | | | | | | | MH Rehberg | 3 | 6$^3$ |
| 4 | L Draxl | 6 | 6 | | | | | | | | | | | N Budkov Kjær | 6 | 7$^7$ |
| | A Andreev | 4 | 1 | | 4 | L Draxl | 6 | 6 | | | | | | | | |
| | B Zapata Miralles | 6 | 6 | | | B Zapata Miralles | 3 | 2 | | | | | | | | |
| | D Masur | 2 | 3 | | | | | | 4 | L Draxl | 3 | 6 | 1 | | | |
| | B Hassan | 5 | 6 | 3 | | | | | | N Budkov Kjær | 6 | 1 | 6 | | | |
| Q | R Brancaccio | 7 | 2 | 6 | Q | R Brancaccio | 4 | 6$^7$ | | | | | | | | |
| | N Budkov Kjær | 6 | 3 | 6 | | N Budkov Kjær | 6 | 7$^9$ | | | | | | | | |
| 6 | H Grenier | 3 | 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 | G Onclin | 4 | 3 | | | | | | | | | | | | | | | | |
| Alt | P Henning | 6 | 6 | | Alt | P Henning | 2 | 3 | | | | | | | | | | | |
| Q | Harry Wendelken | 5 | 3 | | | D Yevseyev | 6 | 6 | | | | | | | | | | | |
| | D Yevseyev | 7 | 6 | | | | | | | | D Yevseyev | 3 | 3 | | | | | | |
| | D Rincón | 6 | 6$^8$ | 6 | | | | | | | D Rincón | 6 | 6 | | | | | | |
| | C Rodesch | 4 | 7$^{10}$ | 4 | | D Rincón | 7$^9$ | 7$^{11}$ | | | | | | | | | | | |
| Q | S Parker | 3 | 6$^5$ | | 3/WC | D Evans | 6$^7$ | 6$^9$ | | | | | | | | | | | |
| 3/WC | D Evans | 6 | 7$^7$ | | | | | | | | | | | | | D Rincón | 7$^7$ | 3 | 0 |
| 5 | C Chidekh | 4 | 6$^3$ | | | | | | | | | | | | Alt | V Durasovic | 6$^2$ | 6 | 6 |
| | M Martineau | 6 | 7$^7$ | | | M Martineau | 6 | 6 | | | | | | | | | | | |
| | B Zhukayev | 7$^7$ | 6 | | | B Zhukayev | 4 | 4 | | | | | | | | | | | |
| | R Bertola | 6$^3$ | 3 | | | | | | | | M Martineau | 6 | 3 | 6$^3$ | | | | | |
| Alt | V Durasovic | 6 | 6$^7$ | 6 | | | | | | Alt | V Durasovic | 4 | 6 | 7$^7$ | | | | | |
| Q | James Story | 1 | 7$^9$ | 2 | Alt | V Durasovic | 4 | 6 | 6 | | | | | | | | | | |
| | R Molleker | 3 | 2 | | 2 | C Wong | 6 | 1 | 2 | | | | | | | | | | |
| 2 | C Wong | 6 | 6 | | | | | | | | | | | | | | | | |