Arsenal manager Arsene Wenger has said that while David Ospina has settled quickly into English football, he has not yet won the race to be the club's first-choice goalkeeper.
The 26-year-old has replaced Wojciech Szczesny in the side recently, which is believed to be a punishment for the Pole after he was caught smoking following a match against Southampton last month.
Wenger believes that Szczesny should still be considered his number one for the time being, despite Ospina keeping four successive clean sheets.
"David Ospina has had some time to settle because he was injured when he arrived here," Wenger told the London Evening Standard.
"During that time we could see his dedication, his focus and his quality. He's in a fight with Wojciech Szczesny to start at the moment.
"Wojciech is the number one but David has played recently. Can he retain the shirt in the coming games? We'll decide that. I don't forget Emiliano Martinez either, who I rate highly. We have three top goalkeepers and the fight for who starts is going on."
Colombia international Ospina moved to the Emirates Stadium from Nice last summer.