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Naomi Osaka is the first Japanese woman to make the semifinals a Grand Slam event in 22 years. She defeated Ukraine’s Lesia Tsurenko 6-1, 6-1 on Wednesday. (Jason DeCrow/Associated Press)

Matches completed Wednesday:

OSA 2 TSU 0
5 players had match winner correct
4 players had match score correct

NIS 3 CIL 2
3 players had match winner correct
2 players (Eva, John) had match score correct

KEY 2 CSN 0
4 players had match winner correct
2 players (Michael, Wes) had match score correct

DJO 3 MIL 0
4 players had match winner correct
2 players (John, Wes) had match score correct

Petr and Wes are our leaders after the first round of four in our game. Petr was the only player to predict as many as 7 of the 8 advancing players, while Wes was one of two players (along with John) to predict five match scores exactly right.

For download: US Open Prediction Challenge! 2018 Quarterfinals.pdf

Quarterfinals
1 Wes Zetaruk 68
Petr Havlik 68
3 John Lo 60
4 Michael Poplawski 49
5 Eva Kafkova 44
6 Serene Ford 29

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