The Danish world number 11 was leading 6-4, 2-2 against Ugo Humbert when he had to retire from the match, adding to a long list of players who have suffered injuries this season.
The Danish world number 11 was leading 6-4, 2-2 against Ugo Humbert when he had to retire from the match, adding to a long list of players who have suffered injuries this season.
