The ATP Cincinnati tournament got underway on Saturday afternoon with some of tennis' biggest names set to go head-to-head in Ohio.
Day four of the Western & Southern Open took place on Tuesday afternoon with a host of shocking results in both the Men's Singles and the Women's Singles.
The returning Naomi Osaka saw her tournament come to an end following a straight-set defeat against Zhang Shuai, while Coco Gauff was also eliminated after losing against Marie Bouzkova.
There were straightforward victories for Nick Kyrgios, Taylor Fritz and Jannik Sinner in the Men's Singles competition, but Matteo Berrettini was eliminated at the hands of America's Frances Tiafoe.
Here are all confirmed results from Wednesday's ATP Cincinnati action.
ATP Cincinnati Men's Singles Results - Day 5
Here are today's confirmed Men's Singles results:
- Diego Schwartzman (13) bt Aslan Karatsev: 7-6, 3-6, 6-2
- Carlos Alcaraz (3) bt Mackenzie McDonald: 6-3, 6-2
- Daniil Medvedev (1) bt Botic van de Zandschulp: 6-4, 7-5
- Filip Krajinovic bt Dan Evans: 6-3, 6-4
- Felix Auger-Aliassime (7) vs Alex de Minaur
- Fabio Fognini vs Andrey Rublev (6)
- Andy Murray vs Cameron Norrie (9)
- Miomir Kecmanovic vs Jannik Sinner (10)
- John Isner vs Hubert Hurkacz (8)
- Casper Ruud (5) vs Ben Shelton
- Taylor Fritz (11) vs Nick Kyrgios
- Roberto Bautista Agut (15) vs Marcos Giron
- Tommy Paul vs Denis Shapovalov
ATP Cincinnati Women's Singles Results - Day 5
Here are today's confirmed Women's Singles results:
- Caroline Garcia bt Maria Sakkari (5): 7-6, 6-7, 6-1
- Jelena Ostapenko (16) bt Beatriz Haddad Maia: 6-4, 6-4
- Emma Raducanu (10) bt Serena Williams: 6-4, 6-0
- Madison Keys bt Yulia Putintseva: 7-5, 6-3
- Sorana Cirstea vs Petra Kvitova
- Jessica Pegula (7) vs Marta Kostyuk
- Ekaterina Alexandrova vs Zhang Shuai
- Carty McNally vs Ons Jabeur (5)
- Marie Bouzkova vs Alison Riske-Amritraj
- Victoria Azarenka vs Emma Raducanu (10)
- Elena Rybakina vs Garbine Muguruza (8)
- Karolina Pliskova (14) vs Elise Mertens
- Iga Swiatek (1) vs Sloane Stephens
- Madison Keys vs Jelena Ostapenko (16)
- Veronika Kudermetova vs Simona Halep (15)
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