You want the wave on your side so you can freely farm without getting engaged on.

Q>E max Take fleet for movement speed You can go PTA for aggressive trades in lane or lethal tempo for scaling if you are more confident about spacing her Farm with Q and E pre six Space her by 2 of her Qs when her cooldowns are up

Trades are always losing if she gets on you You must space her so she has to use all of her mobility spells to get on you If she runs at you use fleet, Q, and W to get away. Give farm in this lane just make sure she doesn’t freeze on you since you are unable to break the freeze yourself Most Rivens love to hard trade at levels 1 and six. When you get to lane ward the bush near you so she cannot trade onto you easily. Level six be careful of her using nimbus cloak and flashing onto you with ult to surprise you and burst you before you can ult.