Celine Naef defeated Venus Williams 3–6, 7–6, 6–2 in the first round of the WTA 250 event at 's-Hertogenbosch on grass on 13 June 2023, confirming her status as pre-match favourite with odds of 1.55 to Williams's 2.62. After dropping the opening set, Naef recovered to edge a competitive second-set tiebreak before dominating the decider to secure her place in the next round. The result extends Naef's record against the veteran American and marks a solid grass-court performance early in the season.