Don't go in first to a large teamfight. Wait for your teammates to initiate.
Tumble has many uses, but it cannot pass over walls.
Condemn can be used to both pin targets to walls to ensure a kill, or to escape a pursuer.
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 stat comparisons provided here clarify some vital Vayne versus Sivir counter statistics that may help you interpret the differences between these two champs. As an example, Vayne’s KDA ratio ([kills + assists] / deaths) of NaN is better than Sivir’s KDA ratio of NaN, highlighting that Vayne may be more central to her team's team fighting effectiveness than Sivir..
Vayne normally has a slightly larger longest kill spree than her enemy does. On average, she receives a similar amount of damage to Sivir. This often reflects differing health capacities; however, it can also show that the one champion has less mobility and thus is unable to flee from further harm when poked or engaged.
Both League champs are great champions. Both champs have their pros and cons. In the game's current meta, Vayne usually wins when playing against Sivir, with a 53.2% win rate. As a result, Vayne makes a great counter for Sivir.
While Vayne does have a higher winrate compared to Sivir, when they face off with one another, Vayne also has a much greater learning curve that makes her a more challenging champ to develop with. You don't need to be too worried when picking Vayne into Siviras her relative depth means you may not be able to reach her full potential without a significant amount of practice beforehand.
Additionally, Vayne has some amount of utility and CC, a similar amount to Sivir. This makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there is not a single best champion in League of Legends, in Vayne vs Sivir matchups, Vayne is the better champion with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your teammates during team fights.
Vayne is a great counter to Sivir. You will do well by focussing your gameplay on increasing your CS and taking out objectives. If you are able to do that, you should hold your own as Vayne against Sivir.
To truly master Vayne to counter Sivir during both the lane and mid / late game phases of League of Legends, you should keep reading to gather a few extra lessons on this matchup. If you listen to the build and tips presented above, you will increase your win rate by a lot and be that much closer to League of Legends pro players.
Vayne often picks up a similar amount of CS relative to Sivir. Champs who on average don't get much CS often don't need much CS to be valuable teammates, such as sup champs. They are capable of scaling well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, often require a lot of items to be effective. In either situation, try to do better than the numbers displayed on this page to do well.
The most crucial items to focus on in your Vayne versus Sivir build include Statikk Shiv, Guinsoo's Rageblade, and Blade of The Ruined King. When Vayne combined at least these three pieces in her build, she did much better against Sivir than with most other typical item sets. In fact, Vayne boasted an average winrate of 53.2% when countering Sivir with this build.
To have the greatest probability of coming out on top against Sivir as Vayne, you should equip the Lethal Tempo, Triumph, Legend: Alacrity, Coup de Grace, Conditioning, and Overgrowth runes from the Precision and Resolve rune sets. Of all the rune sets players chose for Vayne vs Sivir clashes, this combo of runes resulted in the greatest win rate. Notably, these runes gave a 53.2% winrate overall.
By default, tips, stats, and builds on how to beat Sivir as Vayne are shown for all skill levels combined. To narrow the stats and builds to a particular player tier, you may use the selection menu earlier in the counter matchup guide.