Under 21.5 games
The total games for the Sierra vs. Vandewinkel match on June 13, 2025, could hover around 21.5, based on recent analysis from the Grado Challenger. Sierra’s aggressive style and Vandewinkel’s 68.1% serve win rate on clay suggest a competitive match, likely under 21.5 games, with a predicted straight-sets win for Sierra, possibly 6-4, 6-3.