Cincinnati - Three-time Grand Slam champion Andy Murray was beaten 6-4, 6-4 by Richard Gasquet on Monday on his return to singles competition in Cincinnati following a seven-month hip injury lay-off.
The Scot hadn't played a singles match since a first-round exit at the Australian Open in January and feared his career was over, but right hip resurfacing surgery allowed him to return.
However Frenchman Gasquet was too strong for the 32-year-old, who was seen off in straight sets at the warm-up for the US Open.
Results on Monday in the WTA/ATP Cincinnati Masters (x-denotes seeding):
Men
First round
Sam Querrey (USA) bt Pierre-Hugues Herbert (FRA) 7-6 (7/2), 7-6 (7/1)
Pablo Carreno-Busta (ESP) bt Gilles Simon (FRA) 7-5, 7-6 (7/4)
Lucas Pouille (FRA) bt Denis Kudla (USA) 6-3, 7-6 (8/6)
Nick Kyrgios (AUS) bt Lorenzo Sonego (ITA) 7-5, 6-4
Juan Ignacio Londero (ARG) bt Matteo Berrettini (ITA) 7-6 (7/3), 6-3
Jan-Lennard Struff (GER) bt Ivo Karlovic (CRO) 7-5, 7-6 (7/4)
Miomir Kecmanovic (SRB) bt Félix Auger-Aliassime (CAN) 6-3, 6-3
Radu Albot (MDA) bt Marin Cilic (CRO x14) 6-4, 7-6 (8/6)
Richard Gasquet (FRA) bt Andy Murray (SCO) 6-4, 6-4
Yoshihito Nishioka (JPN) bt Jordan Thompson (AUS) 7-5, 5-7, 6-4
Guido Pella (ARG) bt Casper Ruud (NOR) 7-5, 7-6 (7/4)
Adrian Mannarino (FRA) bt Christian Garín (CHI) 6-4, 6-1
Women
First round
Maria Sharapova (RUS) bt Alison Riske (USA) 6-3, 7-6 (7/4)
Iga Swiatek (POL) bt Caroline Garcia (FRA) 7-6 (7/1), 6-1
Aryna Sabalenka (BLR x9) bt Petra Martic (CRO) 6-1, 6-4
Maria Sakkari (GRE) bt Camila Giorgi (ITA) 6-3, 6-0
Veronika Kudermetova (RUS) bt Bernarda Pera (USA) 6-2, 6-3
Rebecca Peterson (SWE) bt Johanna Konta (GBR x14) 6-3, 3-6, 7-5
Svetlana Kuznetsova (RUS) bt Anastasija Sevastova (LAT x11) 7-6 (7/3), 6-7 (4/7), 6-4
Dayana Yastremska (UKR) bt Caroline Wozniacki (DEN) 6-4, 6-4
Yulia Putintseva (KAZ) bt Jelena Ostapenko (LAT) 6-2, 6-7 (3/7), 6-3
Venus Williams (USA) bt Lauren Davis (USA) 7-5, 6-2
Elise Mertens (BEL) bt Caty McNally (USA) 7-5, 6-0
Aliaksandra Sasnovich (BLR) bt Astra Sharma (AUS) 6-1, 4-6, 6-1