Series
Duncan S / Heinonen A
1 0
Lock C J / Zhu M
Head to head
Scott Duncan Adam Heinonen vs Courtney John Lock Michael Zhu
Last 10
Duncan S / Heinonen A
L W W W
Last 10
Lock C J / Zhu M
L L
Meetings
Duncan S / Heinonen A form
Lock C J / Zhu M form
Frequently asked questions
What is the Duncan S / Heinonen A vs Lock C J / Zhu M head-to-head?
The record is Duncan S / Heinonen A 1–0 Lock C J / Zhu M in 1 completed meeting on TennisScoreLive.
What does head to head (H2H) mean?
Head to head is the history of completed matches between these two players — not a prediction.
Why are the players listed in this order?
Both name orders open this same page, so there is one head-to-head for the pair.
When did Duncan S / Heinonen A and Lock C J / Zhu M last play?
Most recent listed meeting: 29 Jul 2026 at ATP Challenger Bonn, Germany Men Doubles, 6-3 3-6 3-10.
Are future matches listed?
No future meeting between this pair is in the catalog right now.
How do I follow the next Duncan S / Heinonen A vs Lock C J / Zhu M live?
When they play again, the match appears on Scores Today and on each player page. Open the match for the live score.
Do you rank this rivalry?
No. We only show meetings and form from the catalog — no editorial rivalry ranking.