| 2025 Izida Cup II | |
|---|---|
| Date | 18–23 August |
| Edition | 4th |
| Surface | Clay |
| Location | Sofia, Bulgaria |
| Champions | |
| Singles | |
 Alex Molčan | |
| Doubles | |
 David Pichler /  Nino Serdarušić | |
The 2025 Genesis Trading Cup II (formerly the Izida Cup II) was a professional tennis tournament played on clay courts. It was the fourth edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Sofia, Bulgaria between 18 and 23 August 2025.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ARG | |||
 ECU | Álvaro Guillén Meza | 244 | 2 |
 BIH | |||
| Ivan Gakhov | 251 | 4 | |
 POR | Frederico Ferreira Silva | 258 | 5 |
| CRO | Matej Dodig | 259 | 6 |
 BUL | Dimitar Kuzmanov | 260 | 7 |
| CRO | Duje Ajduković | 262 | 8 |
The following players received wildcards into the singles main draw:
Alexander Donski Ivan Ivanov Alexander VasilevThe following player received entry into the singles main draw through the Junior Accelerator programme:
Naoya HondaThe following player received entry into the singles main draw through the Next Gen Accelerator programme:
The following players received entry into the singles main draw as alternates:
Miloš Karol Andrej Nedić 
Aryan ShahThe following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Alex Molčan def. Joel Schwärzler 7–5, 6–4. David Pichler / Nino Serdarušić def. 
Alexandru Jecan / Bogdan Pavel 4–6, 7–6(7–2), [10–7].
