According to api.tennis, Katie Volynets now has 250 wins in the database. The match in which that mark appeared took place at the WTA 250 Seoul in the round of 16. Volynets defeated Kamilla Rakhimova 6-3 6-0.
The closest stretch to that figure in Volynets' data looks like this: in Seoul she beat Elvina Kalieva 6-3 6-0, then Rakhimova 6-3 6-0, and in the quarterfinal she lost to Kimberly Birrell 6-2 2-6 5-7.
Before Seoul, Volynets' list of recent matches also includes wins in Philadelphia: over Mananchaya Sawangkaew in the quarterfinal 6-2 6-3 and over Tereza Valentová in the final 6-3 7-5. Between them and Seoul sits a loss at the US Open to Linda Nosková 7-5 6-1.
The most notable coincidence within this stretch: two straight matches in Seoul with the same scoreline, 6-3 6-0, against Kalieva and Rakhimova.