Win Probability

14% 86%

Based on RFI Power Level

Series Ratio

0 - 2

Total H2H: 2

John Halko

Alberta

--
1966
--
31
41.9%
Right Handed
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LEVEL COMPARISON MATRIX
Current Rank
RFI Power
RPI
Total Matches
Career Win Rate
Handedness
Started Playing
Equipment

Jeff Buller

Alberta

--
2282
--
29
58.6%
Right Handed
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Head-to-Head History (Doubles)

Date Result Teams Score
Feb 22, 2026 Jeff Won → John Halko / Devin Halko
vs
Jeff Buller / Steven Dyck
11-6, 11-8, 11-2
Oct 25, 2025 Jeff Won → John Halko / Jason Cioran
vs
Jeff Buller / Lahni Buller
11-5, 12-11, 6-11, 11-8