Rillaboom Grass
Gen 9 OU
·
Rank #26
·
6.81% usage
What beats Rillaboom in Gen 9 OU? Based on Smogon's 2026-04 usage stats, these Pokémon are the most effective checks and counters. The KO Rate (D) column shows how often Rillaboom is KO'd or forced out by each checker. Higher percentages mean stronger counters.
| # | Checker | Encounters | KO Rate (P) | KO Rate (D) |
|---|---|---|---|---|
| 1 |  Virizion |
21 | 61.9% | 10.60% |
| 2 |  Falinks |
23 | 43.5% | 10.34% |
| 3 |  Copperajah |
22 | 63.6% | 10.26% |
| 4 |  Flapple |
24 | 54.2% | 10.17% |
| 5 |  Murkrow |
24 | 54.2% | 10.17% |
| 6 |  Granbull |
25 | 48.0% | 9.99% |
| 7 |  Zebstrika |
25 | 48.0% | 9.99% |
| 8 |  Squawkabilly |
25 | 60.0% | 9.80% |
| 9 |  Carbink |
26 | 42.3% | 9.69% |
| 10 |  Qwilfish-Hisui |
27 | 55.6% | 9.56% |
| 11 |  Oricorio |
22 | 72.7% | 9.50% |
| 12 |  Oricorio-Sensu |
28 | 53.6% | 9.42% |
| 13 |  Crabominable |
28 | 53.6% | 9.42% |
| 14 |  Camerupt |
28 | 46.4% | 9.42% |
| 15 |  Shaymin |
29 | 48.3% | 9.28% |
| 16 |  Brute Bonnet |
29 | 44.8% | 9.23% |
| 17 |  Dodrio |
23 | 73.9% | 9.16% |
| 18 |  Vivillon |
23 | 73.9% | 9.16% |
| 19 |  Persian |
27 | 33.3% | 9.07% |
| 20 |  Rotom |
26 | 30.8% | 9.05% |
| 21 |  Sawsbuck |
29 | 62.1% | 9.01% |
| 22 |  Ursaring |
29 | 37.9% | 9.01% |
| 23 |  Persian-Alola |
31 | 45.2% | 8.94% |
| 24 |  Rotom-Mow |
32 | 40.6% | 8.68% |
| 25 |  Haunter |
31 | 35.5% | 8.59% |
| 26 |  Medicham |
34 | 47.1% | 8.56% |
| 27 |  Dipplin |
25 | 76.0% | 8.54% |
| 28 |  Lycanroc-Midnight |
25 | 24.0% | 8.54% |
| 29 |  Tauros |
31 | 32.3% | 8.40% |
| 30 |  Mabosstiff |
33 | 36.4% | 8.37% |
KO Rate (D): % of Rillaboom's appearances where this checker KO'd or forced it out. KO Rate (P): % of this checker's appearances where it KO'd or forced out Rillaboom. Encounters: number of times they met in battle.