World No.114 Cameron Norrie helped Great Britain to level the Davis Cup tie with Spain by shocking Roberto Bautista Agut.
The 22-year-old took to the court in Marbella with Great Britain already trailing 1-0 after Liam Broady fell to a straight sets defeat against Albert Ramos-Vinolas.
Norrie initially looked overawed by the occasion as he fell two sets behind, however, he showed incredible resilience to fight his way back into the tie and eventually went on to win 4-6 3-6 6-3 6-2 6-2.
The world number 114 only turned professional in May and had never previously played professionally on red clay, while Friday’s victory was the first time he has gone beyond three sets.
The Brit admitted he was finding it tough in the opening few rounds but felt he had to pounce when he spotted some vulnerability in his opponent’s game.
Norrie said: 'I was nervous and had a streak in the second set where I couldn't get a serve but I pulled it together.
'I noticed he was struggling a little bit in the fourth set. I backed myself physically and mentally against the guy and I'm just chuffed to get through it. I wanted to keep the points physical and work as hard as I could.'
'In the fifth set I went to serve and there was an eruption of noise and I thought this is an incredible experience. I'm so happy. Best day of my tennis career, 100%.'
Jamie Murray and Dominic Inglot take on Feliciano Lopez and Pablo Carreno Busta in Saturday’s doubles rubber with the World Group tie level at 1-1.