Sloane Stephens has eased into the second round of the Cincinnati Open thanks to a straight-sets win over 10th seed Carla Suarez Navarro.
The American was dominant in the opening set, moving into a 3-0 lead before closing it out 6-1 in emphatic fashion.
With Suarez Navarro not allowed to find her rhythm, Stephens wrapped up the victory 6-1 6-2 with just over an hour on the clock.
The world number 30 will meet either Mona Barthel or Casey Dellacqua in the next round of the tournament.
| ATP Rankings | Points | ||
| 1 |  | Novak Djokovic | 16,540 |
| 2 |  | Andy Murray | 8,370 |
| 3 |  | Roger Federer | 7,695 |
| 4 | | Stanislas Wawrinka | 6,405 |
| 5 |  | Rafael Nadal | 4,990 |
| 6 |  | Kei Nishikori | 4,070 |
| 7 |  | Tomas Berdych | 3,810 |
| 8 | | David Ferrer | 3,505 |
| 9 |  | Jo-Wilfried Tsonga | 3,130 |
| 10 | | Richard Gasquet | 2,795 |
| 11 |  | Marin Cilic | 2,725 |
| 12 |  | Milos Raonic | 2,650 |
| 13 |  | John Isner | 2,585 |
| 14 |  | Dominic Thiem | 2,510 |
| 15 |  | David Goffin | 2,290 |
| 16 | | Gael Monfils | 2,130 |
| 17 |  | Kevin Anderson | 2,020 |
| 18 | | Roberto Bautista Agut | 1,935 |
| 19 | | Gilles Simon | 1,810 |
| 20 |  | Bernard Tomic | 1,670 |
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