Limerick's Willie O'Connor and Antrim's Josh Rock exited the World Darts Grand Prix in Leicester after 2-1 losses in the first round.
O'Connor lost out to England's Ryan Searle having needed to just hold his throw in the fourth game of the third set to progress. The world no. 13 took advantage and held in the next to advance.
Rock, meanwhile, lost out to Niels Zonneveld of the Netherlands. Who had with superb final-set finishes of 103, 116, and 133.
Luke Humphries stayed on course for a second World Grand Prix triumph after a hard-fought 2-0 win over Dave Chisnall.
Bidding to avoid an upset after Monday night's shock defeat for Luke Littler against Luke Woodhouse, world number two Humphries was rarely at his best at the Mattioli Arena.
But he edged the opening set against two-time runner-up Chisnall, who then missed his checkout on 10 to level it up at 2-2 in the second and Humphries closed out the match.
European champion Gian van Veen staved off a second-set fightback by fellow Dutchman Dirk van Duijvenbode to win 2-0 and notch his first World Grand Prix victory.
World number three Van Veen swept to a 3-0 first-set win and led 2-0 in the second before Van Duijvenbode levelled it up at 2-2 and then let his opponent off the hook by missing double 16 to take the set.
Gary Anderson won five straight legs to complete a 2-1 comeback win against Australian Damon Heta.
Two-time former champion James Wade also fought back after losing the opening set to beat Joe Cullen 2-1, while Jermaine Wattimena and Stephen Bunting also won.
Additional reporting: PA