Holger Rune says it will be "cool" to face Carlos Alcaraz, who he played doubles with as a 13-year-old, on a day of reunions and rematches at Wimbledon.
In the women's quarter-finals, Ons Jabeur meets defending champion Elena Rybakina in a repeat of the 2022 final.
That is followed by a contest between two 20-year-olds - Denmark's Rune and Spanish world number one Alcaraz.
"I remember when we were 12 or 11 years old, that is the first time I saw him," Alcaraz said.
"I talked with him a little bit.