Veteran Ivo Karlovic up and running at Barcelona Open

Ivo Karlovic is showing no signs of slowing down as the 39-year-old beat former champion Tommy Robredo in the Barcelona Open.

Karlovic, the oldest player on the ATP Tour, made use of his excellent serve as he smashed 29 aces en route to a 6-7 (5-7), 7-6 (8-6), 6-4 victory over Robredo, who was a world No 5 in his heyday.

Karlovic will face another Spaniard in eighth seed Roberto Bautista Agut in his second match on Tuesday.

Frenchman Benoit Paire also advanced as he beat Chilean Nicolas Jarry 7-6 (7-4), 6-7 (3-7), 6-4 to set up a second-round encounter against the fifth-seeded Pablo Carreno Busta.

There were also wins for wild card Marcel Granollers, Guillermo Garcia-Lopez, Pablo Cuevas, Rogerio Dutra Silva, Leandro Mayer and Stefanos Tsitsipas.

Rafael Nadal is the top seed and defending champion and he will start his campaign on Wednesday against either Andreas Haider-Maurer or Roberto Carballes Baena.