Tennis Davis Cup There's no stopping this Sorensen duo on their favourite Davis Cup stage. Further evidence of both Kevin's and Louk's ability to vary their games to cope with the opposition resulted in straight-sets singles victories that sent Armenia crashing in the Euro African Zone at Fitzwilliam yesterday.

Whatever is needed on the day, they both possess the knack of coming up with the goods, just like their father, Seán, did in union with Matt Doyle all those years ago. They were both lured into bouts of rallying tennis.

Kevin (24) was presented with the short straw in that he had to face a player in Sargis Sargsian who was ranked as high as 38 in the world last year.

"I knew I had to play well if I was going to be in with any chance of beating him," he said after posting an incredible 6-3, 6-3 win in 80 minutes.

"I was never going to cause him trouble by chipping and getting to the net because he would pass me. I had to be very careful. He's quick and played some great winners, but I sensed he was not as confident as I thought he would be."

In fairness, the match was somewhat closer than 6-3, 6-3 might indicate. Sorensen was quick to retaliate when trouble loomed. Having been broken to love early on in the first set, he broke back immediately and held service with a brilliant dink shot before breaking for 4-2 en route to closing the set down.

The second set was more difficult, with service games on both sides of the net becoming notably brittle. A stunningly early-return winner enabled Kevin break at the start of the set.

There were as many as seven deuces as Sargsian, who later complained of a rib strain, served to win the third game. Sorensen was broken in the sixth for 3-3, but broke back with an brilliant overhead back-hand winner for 4-3 and just about held out to put the match to bed.

Kevin had never beaten such a highly ranked player as Sargsian, currently at 107.

Louk instantly made himself the favourite by winning the first 11 points in his match against Harutyan Sofyan, which he took 6-3, 6-1 in 57 minutes.

Sofyan favoured the rallying game from the baseline and Louk had no difficulty joining in. The only aspect of the match he did not relish was the lack of pace generated by the Armenian.

David O'Connell and Conor Niland rounded off a great day by taking the doubles game against Sargian and Sofyan 7-5, 1-6, 7-5.

No matter what happens against Iceland today Ireland are sure of advancing to the second-phase round robin.