The WTA Italian Open, held annually at the Foro Italico in Rome, occupies a critical spot on the tennis calendar as one of the premier clay-court events leading into Roland Garros. For bettors, clay-court tennis presents a distinctive landscape: rallies tend to be longer, upsets are slightly less frequent than on faster surfaces, and specialists on this surface can deliver consistent value. The match-level betting markets — moneyline, set betting, total games, and handicaps — are generally well-developed for a WTA 1000 event, though depth thins considerably in early rounds when lesser-known qualifiers are involved. Live betting is particularly dynamic here, as momentum swings on clay can be dramatic but also more predictable for those who understand how players handle the physical toll of extended baseline exchanges.
Vig on WTA Italian Open markets tends to sit in a moderate range, typically between 4% and 7% on match winner lines at most major sportsbooks. Margins tighten noticeably for marquee matchups in the quarterfinals and beyond, where sharp action and public interest force books to compete more aggressively on pricing. Early-round matches featuring lower-ranked players often carry wider margins because bookmakers have less data confidence and lower handle volume, giving them less incentive to sharpen their lines. Bettors shopping across multiple books can find meaningful edge by comparing vig during these less-trafficked rounds.
The tournament typically runs in mid-May, placing it squarely in the heart of the European clay swing when players are either rounding into peak form or nursing fatigue from events in Madrid, Stuttgart, and beyond. Weather is a consistent factor — Rome's spring climate can bring rain delays that disrupt match rhythm and scheduling, creating compressed days that tax players physically. Surface familiarity matters enormously: players with strong sliding movement and heavy topspin routinely outperform their rankings here, while aggressive flat-ball strikers often struggle. Recent form on clay in the weeks prior is one of the strongest predictive indicators for this event, and bettors who track fatigue levels — particularly for players who went deep in Madrid the week before — can identify spots where the market underestimates physical decline.
Analysis updated September 6, 2026. Odds data above refreshes hourly.
Elina Svitolina @ Coco Gauff
Best moneyline price: Coco Gauff -142 at DraftKings; Elina Svitolina +132 at BetOnline.ag.
| Side | Market | Best Line | Worst |
|---|---|---|---|
| Coco Gauff | Moneyline | DraftKings: -142 | -170 |
| Elina Svitolina | Moneyline | BetOnline.ag: +132 | +117 |
| Coco Gauff -2 | Spread | Pinnacle: -109 | -120 |
| Elina Svitolina +2 | Spread | Pinnacle: -103 | -110 |
| Over 22 | Total | Pinnacle: -107 | -115 |
| Under 22 | Total | Pinnacle: -105 | -115 |
| Coco Gauff -2.5 | Spread | betPARX: -105 | -118 |
| Elina Svitolina +2.5 | Spread | BetOnline.ag: -107 | -125 |
| Over 21.5 | Total | BetOnline.ag: -120 | -130 |
| Under 21.5 | Total | BetOnline.ag: +102 | -110 |
| Over 22.5 | Total | BetRivers: +100 | -103 |
| Under 22.5 | Total | BetRivers: -125 | -133 |
Frequently Asked Questions
What are the best WTA Italian Open lines today?
The table below shows which sportsbook has the best available price on each side of every upcoming WTA Italian Open event. Line shopping across multiple books can save you 1–3% per bet compared to sticking with a single sportsbook.
What is vig (vigorish) in sports betting?
Vig — short for vigorish, also called juice or overround — is the margin a sportsbook builds into its odds. It's the difference between the true probability of an outcome and what the odds imply. Lower vig means you keep more of your winnings on every bet. For example, a standard -110/-110 line has about 4.76% vig.
How often is this data updated?
We pull fresh odds from The Odds API every hour, on the hour (UTC). Each snapshot captures the latest lines from every sportsbook that has posted odds. The timestamp at the top of the page shows the most recent refresh.
How is the vig grade calculated?
Each sportsbook is graded on average vig: A+ (under 2%) is exchange-level pricing, A (2–3%) very competitive, B+ (3–4%) above average, B (4–5%) the industry standard, C+ (5–6%) slightly below average, C (6–7%) below average, D (7–8%) high vig, D− (8–10%) very high, F (10%+) predatory.
Why does lower vig matter for bettors?
Lower vig directly impacts your long-term returns. A bettor placing $1,000 per week at a book with 4% vig loses roughly $40/week to the house edge. At 2% vig, that drops to $20/week — a $1,040 difference over a year. For serious bettors, shopping for lower vig is one of the most reliable ways to improve profitability.
What sportsbooks do you track?
We track both regulated US sportsbooks (DraftKings, FanDuel, BetMGM, Caesars) and offshore books (Bovada, BetOnline, MyBookie, BetUS, LowVig.ag, BetAnything). Data comes from The Odds API, which aggregates real-time lines from licensed sources.
How We Calculate These Numbers
- Data Source
- All odds on this page come from The Odds API, which aggregates real-time lines from licensed US and offshore sportsbooks. We track moneyline, spread, and totals markets across every sport with active betting lines.
- Update Frequency
- We pull a fresh snapshot of every tracked market every hour, on the hour (UTC). Each snapshot captures the latest lines from every sportsbook that has posted odds for a given event. The timestamp at the top of each page tells you exactly when the data was last refreshed.
- Vig Calculation
- Vig (short for vigorish, also called juice or overround) measures the margin a sportsbook builds into its odds. We calculate it by converting the odds on each side of a market to implied probabilities, summing those probabilities, and subtracting 100%. For example, a market priced at -110/-110 implies 52.38% on each side — a total of 104.76%, meaning a vig of 4.76%. Lower vig means better value for bettors because you keep more of your winnings.
- Per-Market Breakdown
- We compute vig separately for each market type: moneyline (h2h), point spreads, and totals (over/under). The "average vig" shown for each sportsbook is the mean across all market types weighted by the number of events sampled in each market.
- Grading Scale
- Every sportsbook receives a letter grade based on its average vig: A+ (under 2%) is exchange-level pricing. A (2–3%) is very competitive. B+ (3–4%) is above average. B (4–5%) is the industry standard — a -110/-110 line is 4.76%. C+ (5–6%) is slightly below average. C (6–7%) is below average. D (7–8%) is high vig. D− (8–10%) is very high vig. F (10%+) is predatory pricing. See the full Vig Index Methodology for formulas, worked examples, and known limitations.
- Trend Tracking
- We store daily snapshots for 30 days, allowing us to show 24-hour and 7-day vig trends. A downward trend (improving) means sportsbooks are tightening their lines — often in response to increased competition or higher betting volume as a season heats up.