Have you spent the past six hours trying to catch Giratina in Ultra Balls? Me, too! What a jerk. This gadget will tell you which ball is the best choice against your target, and about how long it'll take to catch.
Rayquaza's capture rate: 45/255 or about 17.6%..
Disclaimer: This is all approximate! The game might still hate you more than these numbers indicate.
Legend: Ball wobbles zero, one, two, three times. Capture! Mouseover for specifics.
| Ball | Chance to catch | Avg. tries | Requirement | |
|---|---|---|---|---|
| Generation I | ||||
 Poké Ball | | 6.2% | 16.0 | |
 Great Ball | | 9.3% | 10.8 | |
 Ultra Ball | | 12.3% | 8.1 | |
 Master Ball | | 100.0% | 1.0 | |
 Safari Ball | | 9.3% | 10.8 | |
| Generation II | ||||
 Fast Ball | | 28.0% | 3.6 | Target has base Speed of 100 or more |
| | 6.2% | 16.0 | Otherwise | |
 Friend Ball | | 6.2% | 16.0 | |
 Heavy Ball | | 3.1% | 31.8 | Target weight ≤ 102.4 kg |
| | 3.1% | 31.8 | 102.4 kg < target weight ≤ 204.8 kg | |
| | 9.3% | 10.8 | 204.8 kg < target weight ≤ 307.2 kg | |
| | 10.7% | 9.4 | 307.2 kg < target weight ≤ 409.6 kg | |
| | 12.3% | 8.1 | 409.6 kg < target weight | |
 Level Ball | | 6.2% | 16.0 | Your level ≤ target level |
| | 12.3% | 8.1 | Target level < your level ≤ 2 * target level | |
| | 28.0% | 3.6 | 2 * target level < your level ≤ 4 * target level | |
| | 33.7% | 3.0 | 4 * target level < your level | |
 Love Ball | | 33.7% | 3.0 | Target is opposite gender of your Pokémon and the same species |
| | 6.2% | 16.0 | Otherwise | |
 Lure Ball | | 19.8% | 5.1 | Hooked on a rod |
| | 6.2% | 16.0 | Otherwise | |
 Moon Ball | | 28.0% | 3.6 | Target evolves with a Moon Stone |
| | 6.2% | 16.0 | Otherwise | |
 Sport Ball | | 9.3% | 10.8 | |
| Generation III | ||||
 Premier Ball | | 6.2% | 16.0 | |
 Dive Ball | | 23.4% | 4.3 | Currently fishing or surfing |
| | 6.2% | 16.0 | Otherwise | |
 Luxury Ball | | 6.2% | 16.0 | |
 Nest Ball | | 28.0% | 3.6 | Better against lower-level targets, worst at level 30+ |
 Net Ball | | 19.8% | 5.1 | Target is Water or Bug |
| | 6.2% | 16.0 | Otherwise | |
 Repeat Ball | | 19.8% | 5.1 | Target is already in Pokédex |
| | 6.2% | 16.0 | Otherwise | |
 Timer Ball | | 28.0% | 9.2 | Better in later turns, caps at turn 30 |
| Generation IV | ||||
 Cherish Ball | | 6.2% | 16.0 | |
 Dusk Ball | | 23.4% | 4.3 | During the night and while walking in caves |
| | 6.2% | 16.0 | Otherwise | |
 Heal Ball | | 6.2% | 16.0 | |
 Quick Ball | | 28.0% | 12.5 | First turn |
| | 6.2% | Otherwise | ||
 Park Ball | | 100.0% | 1.0 | |
