Queen's blow for Henman

The British number two appeared to be cruising early in the third set after making an abysmal start to the match but he allowed Cilic - a man 14 years his junior - back into the game.

A crucial Hawk-Eye challenge was the key moment with the technology finding in favour of the 18-year-old Croat when he queried a call, breaking Henman as a result.

The defeat against a talented but erratic opponent who was clearly suffering from nerves will renew calls for Henman to retire.

His lack of confidence was plain to see with his composure deserting him at crucial moments and Tuesday's Queen's Club exit is his sixth first-round defeat in seven tournaments this season.

In the last match of the day, 2002 Wimbledon finalist David Nalbandian crashed out at the hands of Marc Gicquel.

Despite taking the first set, the Argentinian seventh seed, who struggled with his serve throughout and conceded breaks in all three sets, succumbed to a 5-7 6-2 6-4 defeat.

"The first grass court match is always very difficult," Nalbandian said afterwards. "It is very strange to come from clay and then play on grass. It is not easy to adapt that quickly.

"He didn´t commit too many mistakes and served very well.

"I came here to win this tournament but it is still too close to Roland Garros for me."