Against ekko, When invading Ekko, try to wait inside a bush for him to use his W (and wait for it to expire) before going on to him. When his shield is down, he is much weaker and easier to kill.

Try and place vision inside the river and around his jungle entrances. This will make it harder for him to gank successfully if you always know his approximate location. Having vision in lane bushes will also help prevent ganks as you can spot him setting up his W.

Ekko doesn’t have the healthiest of clears even with his W. If you are a strong dueler, look to invade his jungle and shut him down in the early game. Against ekko, When you invade Ekko, try to wait in a bush for him to use his W (and wait for it to expire) before joining him. When his shield is lowered, it is much weaker and easier to kill. Try to place the vision inside the river and around its jungle entrances. This will make it more difficult to gank successfully if you still know its approximate location.