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Pinnacle's tennis markets on May 13, 2026 covered 26 matches across 9 active clay-court tournaments. Line movement was low relative to recent Wednesdays, with no matches moving 5% or more. The largest single shift was 3.2% on C. Ruud in ATP Rome. A full ranked breakdown of all line movements follows below.

Largest Open-to-Close Changes — May 13, 2026 Tennis

C. Ruud opened at 1.30 in ATP Rome and closed -3.2% lower at 1.26 — the single largest Pinnacle line move on May 13, 2026. This was followed by J. M. Cerundolo in CH-M Bordeaux at -2.2% (1.76 → 1.72, sharp money came in on the favourite), then M. Berrettini in CH-M Valencia at +2.1% (1.12 → 1.14, Pinnacle revised the favourite's implied probability downward).

The fourth and fifth largest moves came from E. Svitolina vs E. Rybakina in WTA Rome (-1.9%, 1.44 → 1.41, sharp money came in on the favourite) and L. Tagger vs J. Bouzas Maneiro in CH-W Parma (+1.4%, 1.68 → 1.70, the market drifted against the favourite). None of these five moves crossed the 5% threshold. All five matches showed consistent directional movement from open to close rather than volatile back-and-forth swings — a pattern more consistent with informed money than with recreational public flow.

Pinnacle Line Movement Totals — May 13, 2026

For a standard mid-week session, May 13, 2026 produced 26 completed Pinnacle tennis markets with an average line movement of 1.4%. Direction split: 23% of markets saw odds shorten, and 19% saw odds drift. The Challenger circuit — which accounted for 85% of the day's matches — showed lower movement activity compared to ATP and WTA events. This is consistent with the pattern in which lower-tier events tend to see sharper late-market adjustment, as less pre-match information is available at opening.

Frequently Asked Questions — Tennis Odds Line Movement