World number one Roger Federer breezed through to the Halle Open semi-finals with a 6-3, 6-4 win over Germany's Philipp Kohlschreiber.
While Spanish sensation Rafael Nadal silenced a partisan crowd with a win over French number one Sebastien Grosjean
Tommy Haas and Alexander Waske rallied the Germans to a 2-1 win over favourites Argentina.
Tim Henman and Juan Carlos Ferrero slumped to demoralising defeats in the second round.
Five of the eight seeds had already been beaten in first round action this week.
But fellow Argentines Gaston Gaudio and the indefatigable Guillermo Coria won in straight sets as did Russian Marat Safin
The Spanish teenager edged out Argentine ninth seed Guillermo Coria in five sets to win the Rome Masters.
Coria will play Rafael Nadal in the final of the Rome Masters.
Gaudio beat Guillermo Garcia-Lopez in a three set semi-final at the Estoril Open while Robredo advanced after Carlos Moya retired.
The 19-year-old Spaniard also equalled Guillermo Vilas's record of 53 consecutive claycourt wins.
The Spanish teenager swept aside defending champion Guillermo Coria 6-3, 6-1, 0-6, 7-5 to win the Monte Carlo Masters.
The Belgian capped a remarkable comeback to the top level of the game following wrist surgery, beating the world No.1 in the final of the Pacific Life Open.
The 24-year-old was staring at defeat while down a set and a break but dug deep to prevail in two hours 24 minutes for his 200th tour match victory and his 10th ATP title.
India's Rohan Bopanna and his Romanian partner Florin Mergea began their campaign at the Wimbledon championships with a hard-fought win over over Tim Smyczek and Jiri Vesley in the men's doubles.
Top seed Carlos Moya recorded another straight-sets win at the $380,000 Buenos Aires Open on Wednesday.
A round-up of the important matches at Wimbledon on Friday.
Andy Roddick and Guillermo Coria raced into the fourth round with crushing victories.
World number five Carlos Moya beat Spanish compatriot Guillermo Garcia-Lopez on Saturday to set up a repeat of last year's final at the Chennai Open.
Former champion Paradorn Srichaphan of Thailand overwhelmed Belgian Kristof Vliegen in the ATP Chennai Open.
David Nalbandian and Gaston Gaudio must oust Russians Marat Safin and Igor Andreev in the fourth round for Argentina to have four men in the quarter-finals.
Second seed Andy Roddick crashed out in the first round of the Rome Masters, losing 7-6, 6-1 to Guillermo Canas.
Crowd favourites Goran Ivanisevic and Gustavo Kuerten also lost in the first round of the Monte Carlo Masters.
Andy Roddick completed round-robin play at the Masters Cup an unbeaten 3-0 blasting his way past Guillermo Coria 7-6, 6-3.
The former US Open champion has withdrawn from this year's tournament because of a lingering wrist injury.
The world number one repeated his Australian Open final victory over Marat Safin with a 7-6, 7-6 win to reach the second round of the Dubai Open.