Japan Open: Second seed Ruud moves into second round

Norwegian Casper Ruud, the second seed, reached the second round of the Japan Open by winning against Japanese wildcard Yosuke Watanuki 7-6 (6), 6-3 at the Ariake Colosseum in Tokyo on Tuesday.

Ruud, ranked No 8, will face American qualifier Marcos Giron next.

Tokyo ATP500, other first-round results (Ariake Colosseum, hard, USD 2.013.940, most recent results first):

• Zhizhen Zhang vs. Hubert Hurkacz
• Aslan Karatsev vs. Frances Tiafoe
• Shintaro Mochizuki (WC) beat Tomas Martin Etcheverry: 6-4, 7-6 (5)
• Ben Shelton beat Taro Daniel (Q): 3-6, 6-4, 7-6 (2)
• Diego Schwartzman beat Francisco Cerundolo: 6-4, 6-1
• Taylor Fritz (1) beat Cameron Norrie: 6-4, 6-3
• Alexei Popyrin beat Karen Khachanov (7): 6-4, 6-2
• Alex De Minaur (4) beat Jack Draper (Q): 4-6, 7-6 (4), 7-6 (1)
• Cristian Garin (Q) beat Sho Shimabukuro (WC): 6-4, 3-6, 6-3
• Tommy Paul (5) beat Daniel Altmaier: 3-6, 6-1, 6-3
• Marcos Giron beat Yoshihito Nishioka: 7-6 (14), 4-6, 6-1
• Felix Auger-Aliassime (8) beat Aleksandar Vukic: 7-6 (3), 6-7 (2), 6-2
• Jordan Thompson beat Alexander Zverev (3): 6-3, 6-4
• Sebastian Ofner beat Christopher O’Connell: 6-7 (2), 7-6 (5), 7-5
• Mackenzie McDonald beat Max Purcell: 7-5, 6-4