Frenchman Arthur Rinderknech saved nine match points while posting a 4–6, 6–3, 7–6 (16) upset of second-seeded Pablo Carreno Busta of Spain to reach the semifinals of the Gijon Open in Spain. Rinderknech saved two match points while trailing 5–4 in the third set and later saved seven during a marathon tiebreaker. He will next…