Traditionally the start of the grass court season is the time for surprises, the well-manicured lawns paying scant regard to the reputation of tennis’ great and good.

This year’s opening two events, the Aegon Open Nottingham and the Richo Open, proved no different, throwing up a number of eye-catching results. Coming through the wreckage to lift the silverware were two a the game’s biggest servers: Karolina Pliskova and CoCo Vandeweghe.

Their success has resulted significant moves on the Road To Singapore leaderboard. Nottingham champion Pliskova, who narrowly missed out on qualifying for last year’s BNP Paribas WTA Finals Singapore presented by SC Global, is up to No.18, while ‘s-Hertogenbosch winner Vandeweghe leapt from No.84 to No.43.

With many of the leading contenders for Singapore waiting until Birmingham and Mallorca to begin their grass court preparations, much of the movement was restricted to lower down the leaderboard. Belinda Bencic made a successful return from the back injury that forced her out of the French Open, reaching the semifinals in ‘s-Hertogenbosch, a result that took her from No.34 to No.27.

Bencic’s conqueror Kristina Mladenovic was rewarded for her eventual runner-up finish with a jump from No.70 to No.49 on the leaderboard. Meanwhile, Alison Riske, the runner-up in Nottingham’s rain delayed final is up to No.55 from her previous position of No.72.

Wimbledon preparations continue apace this week in Birmingham and Mallorca, where Garbiñe Muguruza, Agnieszka Radwanska and Angelique Kerber are all competing.

RTS Ranking Movers

Karolina Pliskova: No.26 to No.18 (+8)
Monica Puig: No.21 to No.19 (+2)
Belinda Bencic: No.34 to No.27 (+7)
CoCo Vandeweghe: No.84 to No.43 (+41)
Kristina Mladenovic: No.70 to No.49 (+21)
Madison Brengle: No.64 to No.54 (+10)
Alison Riske: No.72 to No.55 (+17)

Click here to see the full Road To Singapore leaderboard standings following Nottingham and ‘s-Hertogenbosch.