Some numbers from around the tennis world:
12: Years since the Czech Republic has had a female player ranked in the top five. Petra Kvitova, following Jana Novotna more than a decade later, will end the drought next week when she makes her top-five debut, according to the WTA's Kevin Fischer.
2: Career ATP semifinals for Donald Young, both in the last two months. The 22-year-old American reached the semifinals at the Legg Mason Tennis Classic in early August, and he's part of the final four at this week's Thailand Open.
9: First-time winners on the ATP Tour this year. Florian Mayer is the latest, joining Robin Haase, Alexandr Dolgopolov, Andreas Seppi, Ryan Sweeting, Pablo Andujar, Milos Raonic, Ivan Dodig and Kevin Anderson.
9: Games in a row that Agnieszka Radwanska reeled off to close out her victory against Jelena Jankovic at the Pan Pacific Open on Wednesday. Radwanska trailed 2-6, 3-4 before sweeping the rest of the games.
$2 million: Estimated combined appearance fees that will be paid to Roger Federer, Maria Sharapova, Andy Roddick and Caroline Wozniacki for the BNP Paribas Showdown exhibition at Madison Square Garden next March, according to Matt Cronin.
43: Gilles Muller's ATP ranking, a career high. The 28-year-old cracked the top 50 this month for the first time in his career.
11: Years that Brian de Villiers coached Melanie Oudin. Tennis.com reported that the 20-year-old American has parted ways with de Villiers and is working with the USTA's Tom Gullikson.