No. 23 Reilly Opelka, +9 (Career-High)
The American has risen nine spots to a career-high No. 23 in the FedEx ATP Rankings after he reached his first ATP Masters 1000 final at the National Bank Open Presented by Rogers in Toronto (l. to Medvedev). The 23-year-old captured his first Top 5 win en route to the championship match, upsetting World No. 3 Stefanos Tsitsipas in the semi-finals. Read Toronto Final Report & Watch Highlights

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No. 26 John Isner, +4
The 36-year-old has moved 4 places after he reached the semi-finals in Toronto. The big-serving American lifted the trophy in Atlanta at the start of August, and backed this up in Canada to reach the last four at a Masters 1000 event for the first time since advancing to the championship match in Miami in 2019.

No. 69 James Duckworth, +16 (Career-High)
The Australian has climbed 16 spots to a career-high No. 69 after he came through qualifying to advance to the third round in Toronto. The 29-year-old, who defeated #NextGenATP Italian Jannik Sinner in the second round, also reached the third round in Miami this year.

Other Notable Top 100 Movers
No. 11 Casper Ruud, +1
No. 12 Hubert Hurkacz, +1
No. 41 Dusan Lajovic, +3
No. 46 Lloyd Harris, +3
No. 83 Marco Ceechinato, +3