Fizz's spells scale off Ability Power - consider getting items like Zhonya's Hourglass or Banshee's Veil against teams that have high burst threat - and items like Lich Bane or Rabadon's Deathcap if you think you can survive without the Health.
Since Fizz can move through units, find opportunities in lane to walk through minions and apply Seastone Trident's passive - following it up with the ability's active attack after a few seconds.
Fizz's ultimate ability, Chum the Waters, can be aimed at an enemy or towards the area where you think they'll be going.
When laning against Sivir, it is possible to throw off the timing of her Spell Shield by faking an advance, then backing off.
Sivir is a powerful pushing champion, so leaving her unattended in a lane for too long will often result in your turrets being destroyed.
Boomerang Blade costs a lot of mana to cast, so dodging it sets Sivir back. If it hits you on the way out, avoid its path on the way back.
The stats provided here highlight some important Fizz vs. Sivir counter statistics that may help you figure out the distinctions between the two. For instance, Fizz’s KDA ratio ([kills + assists] / deaths) of NaN is more than Sivir’s KDA ratio of NaN, highlighting that Fizz may be more central to his team's team fighting capability than Sivir. This observation is largely fueled by the difference in kills.
Fizz usually has a much larger longest killing spree than his matchup does. Typically, he receives a similar amount of damage to Sivir. This commonly reflects different amounts of tankyness; however, it can also show that the one champion has less mobility and thus is unable to kite away from additional damage when poked or engaged.
Both League of Legends champions are great champions. Both have their pros and cons. In League's current meta, Fizz usually wins when facing off against Sivir, with a 54.9% win rate. Thus, Fizz makes a great counter for Sivir.
While Fizz does have a much higher win rate compared to Sivir, when facing one another, Fizz also has a greater level of difficulty that makes him a more time consuming champ to pick up and master. You don't need to be too worried when picking Fizz into Sivir.
Moreover, Fizz has almost no amount of CC and other utility, a similar amount to Sivir. This makes her just as valuable during team fights, especially when trying to counter champions with a ton of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Fizz vs Sivir matchups, Fizz is the better champion with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your team members during teamfights.
Fizz is a great counter for Sivir. You will do well by focussing your play on increasing your gold income and taking out objectives. If you can do that, you should do very well as Fizz against Sivir.
If you would like to learn all of the intricacies of Fizz in order to counter Sivir during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tips and tricks for this matchup. If you listen to the build and tips presented here, you should increase your win rate significantly and be closer to League of Legends pro players.
Fizz on average gets a similar amount of CS relative to Sivir. Champions who on average don't get much CS usualy don't need much CS to be valuable teammates, such as sup champs. They are capable of scaling well off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically have to have many items to be effective. In either case, try to do better than the values reported here to do well.
The most crucial items to focus on in your Fizz versus Sivir build include Rabadon's Deathcap, Lich Bane, and Zhonya's Hourglass. When Fizz included at least these three items in his build, he performed significantly better countering Sivir than with many other typical counter builds. In fact, Fizz boasted an average winrate of 54.9% battling Sivir with these items in his kit.
To have the best chance of vanquishing Sivir as Fizz, Fizz players should equip the Electrocute, Sudden Impact, Eyeball Collection, Treasure Hunter, Coup de Grace, and Triumph runes from the Domination and Precision rune sets. Out of all the rune combinations players chose for Fizz vs Sivir matchups, this set of runes yielded the highest win rate. Moreover, these runes gave a 54.9% winrate overall.
If you need to see Fizz x Sivir tips and builds for a an individual rank, feel free to select one from the selection menu displayed above. By default, the statistics and guides displayed are calculated using all matches finished with these champs.