Pablo Carreno Busta and Carlos Alcaraz save four of the five break points they face to defeat Wesley Koolhof and Lukasz Kubot on Monday in Barcelona.

Pablo Carreno Busta saves the two break points he faces to defeat Maria Vilella Martinez on Wednesday in his Marbella opener.

Pablo Carreno Busta converts four of seven break points to defeat John Millman in straights sets at the ATP Cup on Tuesday.

Pablo Carreno Busta breaks Hugo Gaston's serve four times on Monday to reach the second round of the Rolex Paris Masters.

Pablo Carreno Busta defeats Daniel Altmaier to reach his second Roland Garros quarter-final.

Pablo Carreno Busta improves to 3-2 in his ATP Head2Head series against Roberto Bautista Agut.

Pablo Carreno Busta defeats Denis Shapovalov and advances to his second US Open semi-final.

Pablo Carreno Busta and Alex de Minaur capture their first team title at the Western & Southern Open.

Pablo Carreno Busta (right) and Alex de Minaur (left) survived two Match Tie-breaks en route to the Western & Southern Open final.

Pablo Carreno Busta (right) and Alex de Minaur (left) are competing together for the first time at the Western & Southern Open.

Pablo Carreno Busta and Alex de Minaur beat Wesley Koolhof and Nikola Mektic in a Match Tie-break at the Western & Southern Open.

Pablo Carreno Busta and Karen Khachanov walk towards Court 12 for their second-round match at the Western & Southern Open.

Pablo Carreno Busta becomes the first Spaniard to reach the Rotterdam semi-finals since 2009 with victory over Jannik Sinner on Friday.

Rafael Nadal and Pablo Carreno Busta secure a 2-1 tie victory for Spain against Belgium at the ATP Cup.

Team Spain poses for a selfie after receiving their Final Eight medals at the ATP Cup on Wednesday.

Team Spain: Rafael Nadal, Roberto Bautista Agut, Pablo Carreno Busta, Albert Ramos Vinolas, Feliciano Lopez and captain Francisco Roig celebrate winning Group B at the ATP Cup in Perth.

Members of Team Spain share a joke in the Team Zone during their ATP Cup clash against Team Uruguay.

After an unfortunate spillage, Team Spain shares its finished entry in the timed media day art challenge.

Members of Team Spain find time for some cooking during their visit to Rottnest Island.

Feliciano Lopez, Pablo Carreno Busta, Team Spain captain Francisco Roig, Roberto Bautista Agut and Rafael Nadal pose for a photo on Rottnest Island on Wednesday.

(L to R): Roberto Bautista Agut, Pablo Carreno Busta, Feliciano Lopez and Rafael Nadal have arrived in Perth for the ATP Cup.

Pablo Carreno Busta, Felix Auger-Aliassime, Dennis Novak, Philipp Kohlschreiber, Sam Querrey, Hyeon Chung and Feliciano Lopez participate in a cooking class in Vienna on Monday evening at the "Plachutta Wollzeile" restaurant, learning how to prepare a traditional Wiener Schnitzel.

Fifth seed Pablo Carreno Busta withstands 16 aces from Sam Querrey on Friday to reach the Stockholm semi-finals.

Fifth seed Pablo Carreno Busta proves to be too strong for lucky loser Gianluca Mager in Stockholm on Thursday.

Pablo Carreno Busta improves to 2-1 in his FedEx ATP Head2Head series against John Millman.