No. 36 Alejandro Davidovich Fokina, +11 (Career-High)
The Spaniard has risen to a career-high No. 35 in the FedEx ATP Rankings following a run to his first Grand Slam championship quarter-final at Roland Garros. The 22-year-old, who went 13-5 during the spring European clay-court swing, won five-setters against Botic Van de Zandschulp and Casper Ruud en route to the last eight where he lost to Alexander Zverev.

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No. 37 Marin Cilic, +10
Former World No. 3 Marin Cilic captured his 19th ATP Tour title — and his first for three years — on Sunday after he defeated Felix Auger-Aliassime 7-6(2), 6-3 in the MercedesCup final. The Croatian rises 10 spots to No. 37 and is the third-oldest Stuttgart champion in Open Era (since April 1968) behind Roger Federer, 36, in 2018 and 33-year-old Barry Phillips-Moore in 1971. Read Final Report & Watch Highlights

No. 61 Lorenzo Musetti, +15 (Career-High)
The Italian, who broke into the Top 100 for the first time on 22 March 2021, is now up to a new career-high of 61, following a run to his first Grand Slam fourth-round. The 19-year-old led eventual champion Novak Djokovic by two-sets-to-love, before the World No. 1 staged a successful comeback in the Last 16.

No. 78 Carlos Alcaraz, +19 (Career-High)
The 18-year-old Spaniard continues to make huge strides in 2021, rising to a career-high No. 78 after a jump of 19 places. Alcaraz qualified for Roland Garros and beat Bernabe Zapata Miralles and Nikoloz Basilashvili en route to the third round.

Other Notable Top 100 Movers
No. 4 Stefanos Tsitsipas, +1 (Career-High)
No. 32 Reilly Opelka, +3
No. 41 Cameron Norrie, +4 (Joint Career-High)
No. 65 Frances Tiafoe, +9
No. 72 Steve Johnson, +16
No. 79 Soonwoo Kwon, +12