Junior career Ayeni won the Easter Bowl USTA Junior Spring Nationals played at the Indian Wells Tennis Garden, in April 2017. He beat
Sebastian Korda, 6-4, 0-6, 7-5, to win the final.
Professional career Playing alongside compatriot
Daniel Milavsky, Ayeni won his first title on the
ATP Challenger Tour, winning the men's doubles at the
2025 Challenger Temuco in Chile in November 2025, where they beat
Juan Carlos Aguilar and
Federico Zeballos on a match tie-break. He also defeated the top seed
Juan Manuel Cerúndolo to reach the semi-finals of the men's singles at the tournament. ==Personal life==