MacGillivray's next appearance in a competitive tournament came at the 2010 World Open, where he beat fellow amateur Jamie Edwards 3–1, but lost his last-96 match 0–3 to James Wattana. Having not entered the first four editions of the World Seniors Championship, he played in the 2015 event, beating Hassan Vaizie, 1978 UK Champion Patsy Fagan and Karl Townsend, but lost his next match 1–2 to Paul McPhillips.