# Roland Garros ATP: Casper Ruud vs Roman Safiullin

> Polymarket binary prediction market. 89% implied probability of YES as of Mon, 25 May 2026 18:29:42 GMT. 24h change +1.0pp, 24h volume $65.6K.

**Canonical URL:** https://orrery.me/markets/atp-ruud-safiull-2026-05-25
**Polymarket source:** https://polymarket.com/event/atp-ruud-safiull-2026-05-25
**Category:** Sports
**Resolves by:** Jun 1, 2026
**Last fetched:** 2026-05-25T18:29:42.901Z

## Live snapshot

| Metric | Value |
|---|---|
| YES probability | **89¢** (89%) |
| Δ 1h | +0.0pp |
| Δ 24h | +1.0pp |
| Δ 1w | +0.0pp |
| 24h volume | $65.6K |
| Lifetime volume | $68.3K |
| Liquidity (orderbook depth) | $91.7K |
| Spread | 1.00pp |

## Resolution

**Resolves by:** Jun 1, 2026

**Source:** https://www.atptour.com/en/scores/current

### Market description (verbatim from Polymarket)

> This market refers to the tennis match between Casper Ruud and Roman Safiullin in the Roland Garros ATP, originally scheduled for May 25, 2026 at 5:00AM ET.
> 
> This market will resolve to 'Casper Ruud' if Casper Ruud advances against Roman Safiullin.
> 
> This market will resolve to 'Roman Safiullin' if Roman Safiullin advances against Casper Ruud.
> 
> If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
> 
> If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
> 
> If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
> 
> The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.

## Recent large trades on this market

| Time | Wallet | Side | Outcome | USD |
|---|---|---|---|---|
| May 25, 18:27 UTC | `Short-Term-Hovercraft` | BUY | ROMAN SAFIULLIN | $16.83 |
| May 25, 18:27 UTC | `Motherly-Necessity` | BUY | CASPER RUUD | $1.58 |

## Top holders

**Top YES holders**

- `0x2005…75ea` — 38,782.289 shares
- `0xd703…71bf` — 31,000 shares
- `0x5d1d…afd2` — 28,520.546 shares
- `0xfe78…0319` — 23,489.276 shares
- `0x5c92…4e7c` — 19,668.441 shares

**Top NO holders**

- `0x204f…5e14` — 64,942.618 shares
- `0xe30e…6b87` — 35,351.27 shares
- `0x1136…0c2e` — 24,999.9 shares
- `0xcd65…ee96` — 22,018.408 shares
- `0xa080…234f` — 21,925.044 shares

## 7-day price-history summary

| Metric | Value |
|---|---|
| Sample count | 63 |
| Window start | 2026-05-23T05:00:05.000Z |
| Window end | 2026-05-25T18:25:03.000Z |
| Range | 21¢ → 99¢ |
| Net change | -28.3pp |

Full series available as JSON via `GET https://orrery.me/api/markets?slugs=atp-ruud-safiull-2026-05-25` — the chart on the human page is rendered from this same data.

## Cite this

```
Orrery. "Roland Garros ATP: Casper Ruud vs Roman Safiullin — 89% on Polymarket."
Retrieved 2026-05-25T18:29:42.901Z from https://orrery.me/markets/atp-ruud-safiull-2026-05-25.
```

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