Sam Querrey looks to keep his recent run of form going when he takes on Kei Nishikori in an intriguing clash at the Toronto Masters.
This is a tough opener for Nishikori (who received a first round bye as the thirteenth seed). Querrey currently leads the US Open Series standings after winning the Los Angeles title two weeks ago and reaching the Washington semi-finals.
Not only that but he already has a match under his belt in Toronto, smashing down 11 aces and dropping just nine points on serve as he dismissed Austria's Jurgen Melzer 6-3, 6-2 in under an hour.
Nishikori's chances will depend on how he handles the vicious Querrey serve. The American has been serving big over the past few weeks and Nishikori will have to be at his agile best. He's in good form after reaching the quarter-finals of the Olympics last week, beating David Ferrer en route but he hasn't had much time to adjust from the grass to the hard courts.
They've played twice in the past. Nishikori won in Delray Beach way back in 2008 but Querrey outplayed him at Queens Club last year.
Prediction: Querrey in two.