Jax benefits greatly from items that have both Ability Power and Attack Damage such as Guinsoo's Rageblade and Hextech Gunblade.
Jax can Leap Strike to friendly units, including wards. You can use them to plan your escape.
Try to coordinate high-damage abilities with your allies right after Dr. Mundo uses his ultimate, but if you're unable to kill him quickly with burst he will heal through the damage.
Try casting Ignite when Dr. Mundo uses Sadism to negate a large portion of its healing.
The stat comparisons shown on this page emphasize some important Jax against Dr. Mundo matchup stats that may help us interpret the differences between this set of champs. Jax’s KDA ratio ([kills + assists] / deaths) of NaN is more than Dr. Mundo’s ratio of NaN, highlighting that Jax may be more central to his team's team fighting potential than Dr. Mundo..
Jax often has a slightly larger longest kill spree than his counter does. On average, he takes less damage than Dr. Mundo. This typically indicates differing health capacities, yet it can also indicate that the one champ has less mobility and thus is unable to escape additional damage when poked or engaged.
Both League of Legends champions are great. Both champs have their pros and cons. In League's current meta, Jax usually loses when facing off against Dr. Mundo, with a 47.7% win rate. As a result, Jax makes a bad counter to Dr. Mundo.
While Jax does have a lower win rate than Dr. Mundo, when they face off with one another, Jax also has a greater level of difficulty that makes him a more complex champ to learn. You should expect to face a difficult match when picking Jax into Dr. Mundo.
Moreover, Jax also has some amount of utility and CC, a similar amount to Dr. Mundo. This often makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there is not one best champion overall in League of Legends, in Jax vs Dr. Mundo matchups, Dr. Mundo is the better champ with a lower win rate, similar champion depth, and a similar amount of utility to help out your team members during late stage team fights.
Jax is a bad counter for Dr. Mundo. You will do well by focussing your tactics on increasing your CS and clearing objectives. If you do that, you should be able to stand on your own as Jax against Dr. Mundo.
If you would like to truly master Jax in order to counter Dr. Mundo during both the lane and mid / late game phases of League of Legends, you should continue reading to gather a few extra tricks and insights into this matchup. If you pay attention to the build and suggestions presented above, you should increase your win rate by a lot and be that much closer to League of Legends pro players.
Jax typically racks up a similar amount of CS relative to Dr. Mundo. Champions who on average don't get much CS typically don't have to have much CS to be valuable teammates, such as support champions. These kinds of champions are able to scale properly off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually need many items to be effective. In either situation, try to exceed the values reported on this page to do well.
The most crucial items to prioritize in your Jax versus Dr. Mundo build include Guardian Angel, Trinity Force, and Sundered Sky. When Jax included at least these three pieces in his build, he performed a lot better when facing Dr. Mundo than with most other commonly used builds. In fact, Jax boasted an average winrate of 47.7% when countering Dr. Mundo with this counter build.
To have the greatest probability of beating Dr. Mundo as Jax, you should take the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Magical Footwear, and Cosmic Insight runes from the Precision and Inspiration rune sets. Out of all the rune combinations players chose for Jax vs Dr. Mundo LoL games, this set of runes yielded the best win rate. Moreover, these runes provided a 47.7% winrate overall.
If you need to see Jax x Dr. Mundo tips and matchup stats and build suggestions for a a distinct player tier, please choose one from the selection menu above. If viewing for the first time, the statistics and guides shown are calculated using all matches run with both champs.