Steve Johnson pulled off another upset over one of the circuit`s big men at the Citi Open in Washington on Thursday, ousting towering ninth seed Ivo Karlovic 3-6 7-6 7-6, while top-seeded Czech Tomas Berdych was also eliminated in the third round.
Australia`s Bernard Tomic claimed his second career title and secured a return to the world top 100 Sunday when he beat defending champion Ivo Karlovic 7-6 (7/5), 3-6, 7-6 (7/4) in the Colombia Open final.
Australia have waited in vain for a men`s talent to take the mantle from ageing warrior Lleyton Hewitt, but Rod Laver has cautioned the country not to put too much pressure on bright hope Nick Kyrgios.
Former champion Lleyton Hewitt drew on every ounce of his Wimbledon experience in a typically gutsy performance as he went down fighting in the delayed second-round tussle with big-serving Pole Jerzy Janowicz, 10 years his junior.
Lleyton Hewitt`s 600th win looked very much like every other of his ATP Tour career as the Australian battler scraped his way past Robin Haase 3-6 6-3 6-3 in the first round of the Sony Open on Thursday.
South African fourth seed Kevin Anderson, bidding for his second ATP Delray Beach Open crown in three seasons, reached the quarter-finals on Wednesday when Croatian Ivo Karlovic retired with a stomach virus.
Defending champion Kei Nishikori rallied to reach the semi-finals of the $647,000 ATP US Indoor Championships on Friday, but Australian third seed Lleyton Hewitt was eliminated by American Michael Russell.
Croatian Ivo Karlovic pounded 19 aces past second-seeded Feliciano Lopez in beating the Spaniard in straight sets to reach the quarter-finals of the US National Indoor Tennis Championships on Thursday.