A breakout US Open for a pair of young Americans also put them in firm contention for the BNP Paribas WTA Finals Singapore presented by SC Global in the latest edition of the Porsche Race to Singapore.
Champion Sloane Stephens and runner-up Madison Keys both soared into the Top 20 of the Race after the year's final Grand Slam, with Stephens rising a whopping 54 spots to No. 12 and Keys moving up 36 places to No. 14.
Keys, who qualified for her first WTA Finals last year in Singapore, is looking to return to the elite eight, while Stephens looks to qualify for the first time.
After reaching her third Grand Slam semifinal of the season in New York, Venus Williams swapped one spot with Caroline Wozniacki inside the Top 8, rising to No. 5 in the standings.
Petra Kvitova also had a notable rise in the race as her comeback from injury continues, rising to No. 35, while Maria Sharapova's second-week showing put her inside the Top 100.
Here's how the Porsche Race to Singapore Leaderboard in singles stands as of September 11.
In doubles, US Open champions Chan Yung-Jan and Martina Hingis remain in the top spot, holding a lead of nearly 2000 points over Ekaterina Makarova and Elena Vesnina.
Runners-up Lucie Hradecka and Katerina Siniakova moved up two spots to No. 5 in the Race, while compatriots Lucie Safarova and Barbora Strycova move up 12 spots to No.15.
The Race remains on for Safarova to qualify for the WTA Finals with Strycova, after Bethanie Mattek-Sands suffered a season-ending knee injury at Wimbledon.
Here's how the Porsche Race to Singapore Leaderboard in doubles stands as of September 11.
Lap 45 on the Porsche Race to Singapore this week sees Timea Babos and Andrea Hlavackova in action as the top seeds in the Quebec City doubles draw, as the US Open quarterfinalists have their eyes on confirming their Top 8 spot.
Kristina Mladenovic is the top seed at the International event in Tokyo, as the Frenchwoman looks to improve on her current standing of No.9 in the Race.