# 2025 Tenerife Challenger II – Singles

Pablo Carreño Busta was the defending champion and successfully defended his title after defeating Filip Misolic 6–3, 6–2 in the final.

## Seeds

* Dominik Koepfer (quarterfinals)
* Emil Ruusuvuori (second round)
* Pablo Carreño Busta (champion)
* Henrique Rocha (first round, retired)
* Alejandro Moro Cañas (second round)
* Carlos Taberner (first round)
* Eliot Spizzirri (first round)
* Vilius Gaubas (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 | Final | Final | Final | Final |
| Q | Filip Misolic | 6 | 6 | | | | |
| Alt | Daniel Rincón | 3 | 2 | | | | |
| Alt | Daniel Rincón | 3 | 2 | Q | Filip Misolic | 3 | 2 |
| | | | | 3 | Pablo Carreño Busta | 6 | 6 |
| 3 | Pablo Carreño Busta | 6 | 6 | 3 | Pablo Carreño Busta | 6 | 6 |
| | Benjamin Hassan | 3 | 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 | D Koepfer | 6 | 4 | 6 | | | | | | | | | | | | | |
| Q | G Fonio | 3 | 6 | 2 | 1 | D Koepfer | 7 | 6 | | | | | | | | | |
| Q | C Rodesch | 7$^7$ | 6 | | Q | C Rodesch | 5 | 3 | | | | | | | | | |
| | J Monday | 6$^2$ | 3 | | | | | | 1 | D Koepfer | 2 | 6 | 6$^4$ | | | | |
| | I Buse | 3 | 1 | | | | | | Q | F Misolic | 6 | 2 | 7$^7$ | | | | |
| Q | J Paul | 6 | 6 | | Q | J Paul | 4 | 4 | | | | | | | | | |
| Q | F Misolic | 4 | 6 | 6 | Q | F Misolic | 6 | 6 | | | | | | | | | |
| 6 | C Taberner | 6 | 1 | 3 | | | | | | | | | | Q | F Misolic | 6 | 6 |
| 4 | H Rocha | 2 | 0$^r$ | | | | | | | | | | | Alt | D Rincón | 3 | 2 |
| Q | P Cachin | 6 | 0 | | Q | P Cachin | 1 | 6$^5$ | | | | | | | | | |
| Alt | D Rincón | 7$^{12}$ | 6 | | Alt | D Rincón | 6 | 7$^7$ | | | | | | | | | |
| | M Röttgering | 6$^{10}$ | 2 | | | | | | Alt | D Rincón | 7$^7$ | 5 | 6 | | | | |
| Q | S Diez | 6 | 6 | | | | | | WC | N Álvarez Varona | 6$^4$ | 7 | 1 | | | | |
| WC | P Llamas Ruiz | 4 | 3 | | Q | S Diez | 2$^r$ | | | | | | | | | | |
| WC | N Álvarez Varona | 7 | 6 | | WC | N Álvarez Varona | 2 | | | | | | | | | | |
| 7 | E Spizzirri | 5 | 0 | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | V Gaubas | 6 | 4 | 5 | | | | | | | | | | | | | |
| | A Shelbayh | 4 | 6 | 7 | | A Shelbayh | 7$^7$ | 2 | 6 | | | | | | | | |
| WC | I Montes de la Torre | 6$^6$ | 0 | | | A Andrade | 6$^5$ | 6 | 4 | | | | | | | | |
| | A Andrade | 7$^8$ | 6 | | | | | | | | A Shelbayh | 2 | 1$^r$ | | | | |
| | A Escoffier | 6 | 3 | 6 | | | | | | 3 | P Carreño Busta | 6 | 2 | | | | |
| Alt | E Butvilas | 2 | 6 | 0 | | A Escoffier | | | | | | | | | | | |
| Alt | J Cui | 3 | 4 | | 3 | P Carreño Busta | w/o | | | | | | | | | | |
| 3 | P Carreño Busta | 6 | 6 | | | | | | | | | | | 3 | P Carreño Busta | 6 | 6 |
| 5 | A Moro Cañas | 6 | 6 | | | | | | | | | | | | B Hassan | 3 | 2 |
| Alt | Pol Martín Tiffon | 4 | 2 | | 5 | A Moro Cañas | 3 | 6 | 2 | | | | | | | | |
| | B Hassan | 4 | 6 | 7 | | B Hassan | 6 | 1 | 6 | | | | | | | | |
| | L Neumayer | 6 | 1 | 5 | | | | | | | B Hassan | 5 | | | | | |
| | J Barranco Cosano | 6 | 6 | | | | | | | | J Barranco Cosano | 4$^r$ | | | | | |
| | F Arnaboldi | 2 | 2 | | | J Barranco Cosano | 7 | 1 | 6 | | | | | | | | |
| | J Choinski | 3 | 1 | | 2 | E Ruusuvuori | 5 | 6 | 3 | | | | | | | | |
| 2 | E Ruusuvuori | 6 | 6 | | | | | | | | | | | | | | |