Jordan Thompson has progressed to the second round of the US Men’s Clay Court championship in Texas with a straight-sets win over Pedja Krstin.

Australian seventh seed Thompson proved too good for 195th-ranked Serb Krstin 7-5 6-2 in one hour and 35 minutes.

The next opponent, on Thursday, for the world No.67 Thompson will be Colombian qualifier Santiago Giraldo, who accounted for American Bradley Klahn 6-4 6-4.

Other first-round winners on Tuesday were Guillermo Garcia, qualifier Daniel Galan and Henri Laaksonen, who dispatched sixth-seeded American Mackenzie McDonald 6-3 6-4.

Aussie Bernard Tomic will face Spain’s Marcel Granollers – the 2008 champion in Houston – in second-round action on Wednesday.