Canadian Bianca Andreescu advanced into the semifinals of the Cundinamarca Open after her opponent, Marina Bassols Ribera, retired from their quarterfinals match on Thursday. Andreescu was leading 4-2 in the second set when the Spaniard retired from the match, being unable to continue after 1:39 of game time. The Canadian won the first set 6-4. Andreescu will face Slovenian Polona Hercog as her opponent in the semis of the WTA 125 tournament on …