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New York - World number three Juan Martin del Potro powered into the third round of the US Open on Wednesday with a 6-3, 6-1, 7-6 (7/4) victory over American Denis Kudla.
On another scorching day in Flushing Meadows, Argentina's del Potro needed an hour and 56 minutes to get past Kudla.
He'll face either former world number one Andy Murray or Spain's Fernando Verdasco for a place in the last 16.
Del Potro, whose career was nearly ended by wrist injuries after his 2009 US Open triumph, fired 20 aces and didn't face a break point against the 72nd-ranked player in the world.
US Open results on Wednesday, the third day of the 2018 tournament at Flushing Meadows (x denotes seeded player):
Men
Second round
Rafael Nadal (ESP x1) bt Vasek Pospisil (CAN) 6-3, 6-4, 6-2
Karen Khachanov (RUS x27) bt Lorenzo Sonego (ITA) 7-5, 6-3, 6-3
Nikoloz Basilashvili (GEO) bt Jack Sock (USA x18) 4-6, 6-3, 6-2, 7-6 (7/3)
Guido Pella (ARG) bt Paolo Lorenzi (ITA) 7-5, 6-0, 6-2
Dominic Thiem (AUT x9) bt Steve Johnson (USA) 6-7 (5/7), 6-3, 5-7, 6-4, 6-1
Taylor Fritz (USA) bt Jason Kubler (AUS) 6-3, 3-6, 6-3 - retired
Denis Shapovalov (CAN x28) bt Andreas Seppi (ITA) 6-4, 4-6, 5-7, 7-6 (7/2), 6-4
Kevin Anderson (RSA x5) bt Jeremy Chardy (FRA) 6-2, 6-4, 6-4
Juan Martin del Potro (ARG x3) bt Denis Kudla (USA) 6-3, 6-1, 7-6 (7/4)
Fernando Verdasco (ESP x31) bt Andy Murray (GBR) 7-5, 2-6, 6-4, 6-4
Borna Coric (CRO x20) bt Roberto Carballes Baena (ESP) 7-6 (7/4), 6-2, 6-3
Daniil Medvedev (RUS) bt Stefanos Tsitsipas (GRE x15) 6-4, 6-3, 4-6, 6-3
John Isner (USA x11) bt Nicolas Jarry (CHI) 6-7 (7/9), 6-4, 3-6, 7-6 (7/2), 6-4
Dusan Lajovic (SRB) bt Cameron Norrie (GBR) 6-2, 2-6, 6-4, 6-4
Milos Raonic (CAN x25) bt Gilles Simon (FRA) 6-3, 6-4, 6-4
Stan Wawrinka (SUI) bt Ugo Humbert (FRA) 7-6 (7/5), 4-6, 6-3, 7-5
Women
Second round
Kaia Kanepi (EST) bt Jil Teichmann (SUI) 6-4, 6-3
Rebecca Peterson (SWE) bt Vania King (USA) 7-5, 6-1
Serena Williams (USA x17) bt Carina Witthoeft (GER) 6-2, 6-2
Venus Williams (USA x16) bt Camila Giorgi (ITA) 6-4, 7-5
Karolina Muchova (CZE) bt Garbine Muguruza (ESP x12) 3-6, 6-4, 6-4
Ashleigh Barty (AUS x18) bt Lucie Safarova (CZE) 7-5, 6-3
Sofia Kenin (USA) bt Maria Sakkari (GRE x32) 4-6, 6-1, 6-4
Karolina Pliskova (CZE x8) bt Ana Bogdan (ROM) 6-2, 6-3
Sloane Stephens (USA x3) bt Anhelina Kalinina (UKR) 4-6, 7-5, 6-2
Victoria Azarenka (BLR) bt Daria Gavrilova (AUS x25) 6-1, 6-2
Barbora Strycova (CZE x23) bt Lara Arruabarrena (ESP) 6-0, 6-1
Elise Mertens (BEL x15) bt Vera Lapko (BLR) 6-2, 6-0
Ekaterina Makarova (RUS) bt Julia Goerges (GER x9) 7-6 (12/10), 6-3
Anastasija Sevastova (LAT x19) bt Claire Liu (USA) 6-3, 6-1
Wang Qiang (CHN) bt Irina-Camelia Begu (ROM) 6-3, 6-1
Elina Svitolina (UKR x7) bt Tatjana Maria (GER) 6-2, 6-3
