Hewitt earns win No. 600

Key Biscayne, FL ( - Australian veteran Lleyton Hewitt notched his 600th career win in comeback fashion Thursday at the $4.7 million Sony Open.

The former world No. 1 rallied to post a 3-6, 6-3, 6-3 victory over Dutchman Robin Haase in the first round of this ATP Masters 1000 event. Hewitt became the 21st player in ATP World Tour history to reach the milestone and the third active player, joining greats Roger Federer (942) and Rafael Nadal (675).

American hopeful Sam Querrey advanced with a 7-6 (7-2), 6-3 win over Ukrainian Sergiy Stakhovsky.

In other action involving Americans, Donald Young, qualifier Jack Sock and wild card Ryan Harrison each beat an Argentine opponent. Young breezed past Carlos Berlocq 6-2, 6-2, Sock moved on by handling wild card Guido Pella 6-3, 6-4 and Harrison doused Federico Delbonis 6-2, 6-4.

Meanwhile, Americans Bradley Klahn and qualifier Steve Johnson were each dismissed by a Spaniard.

Guillermo Garcia-Lopez fought back to beat Klahn 1-6, 6-1, 6-4 and Roberto Bautista Agut also rallied for a 4-6, 6-3, 6-1 victory over Johnson.

Finnish veteran Jarkko Nieminen dismantled talented Aussie Bernard Tomic 6-0, 6-1. It was Tomic's first match since the Australian Open after recovering from surgery on both hips.

Also advancing were Slovakian qualifier Lukas Lacko, France's Edouard Roger- Vasselin and Stephane Robert, Taipei's Yen-Hsun Lu, Uzbekistan's Denis Istomin, Portugal's Joao Sousa, Slovenian qualifier Aljaz Bedene, and Spaniard Daniel Gimeno-Traver, who will face Australian Open champ Stan Wawrinka on Saturday.

The Sony Open is staged on the hardcourts at Crandon Park and serving as the second ATP Masters 1000 event in two weeks.

The top seeds at this 12-day tournament are Nadal, three-time champion Novak Djokovic and Wawrinka. Federer, a two-time champ, is seeded fifth, while reigning Miami titlist Andy Murray is the sixth seed.

The Wimbledon titlist Murray beat French Open runner-up David Ferrer in last year's Miami finale.

The 2014 winner of this lucrative event will collect $787,000.