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ATP. Doubles. Estoril. Clay

21.05.2026 07:00 UTC Match prediction

21.05.2026 07:00 UTC

Finished

ATP. Doubles. Estoril. Clay

Kirkov V / Stevens B - Frantzen C / Haase R

Tennis

Kirkov V / Stevens B

1 : 2

Finished

Frantzen C / Haase R

Math-model prediction

AI match prediction Kirkov V / Stevens B - Frantzen C / Haase R May 21, 2026

Tennis math model

The summary is built from our prematch context: line, form, lineups and Glicko.

Line favourite Fonbet: Frantzen C / Haase R. We cross-check with Glicko and the math model below.

Win odds (Fonbet): 1 1.93 / 2 1.77

For reference

Fair probability (no margin)

Probability excluding the bookmaker margin — for reference, not a betting recommendation.

Winner bookmaker margin 8.3%

1 47.8%

2 52.2%

Odds source: Fonbet. This is the fair probability after removing the bookmaker margin from the odds — reference information, not a prediction or a betting recommendation.

Head-to-head and form stats

Head-to-head and form

Team form

Kirkov V / Stevens B

5-5LWWWLLWLWL

scored 1.3conceded 1.3

Frantzen C / Haase R

5-5LLLWWWLWWL

scored 1.3conceded 1.4

Head-to-head and recent form per sports statistics — for reference.

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Match center

Start 21.05.2026 07:00 UTC

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