Nikola Bartunkova defeated Nicole Fossa Huergo 6–4, 6–2 in the first round of the WTA 250 Guadalajara tournament on hard court on 8 September 2025, confirming her status as the heavy pre-match favourite. Bartunkova controlled the match from the outset, breaking serve early and maintaining her advantage throughout both sets to advance comfortably. The Czech player's clinical performance justified the odds, which favoured her at 1.17 against Fossa Huergo's 5.73. The victory keeps Bartunkova on track in Guadalajara as she seeks a deeper run in the tournament.