The second set McKenzie used his trademark inside-out topspin putting pressure on his younger opponent, pulling away to a 4-0 lead before Milentijevic-Vague fought back to 4-2.
After a couple of exciting tight games McKenzie went on to take the prestigious title 7-5 6-2.
This was McKenzie's first singles title at the club and he will be watching Milentijevic-Vague's progress over the next year with a rematch surely to come next time around.
Other results included Milentijevic-Vague winning the Secondary School competition, with Whanganui High School's Year 9 student Ruby McIntyre winning both the Secondary School girls' and club women's final. Poon Punnarujawong, from Whanganui Collegiate School, beat Mataamua Amoroa-Biddle (Whanganui City College) in the S10 competition final and Pat McNamara beat Mark Wilson 6-2 6-1 in the B-grade final. Jack Butters also captured the primary/intermediate trophy triumphing over Lucas Miller 4-2 4-1 in the final.