Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 Rc4 draw
2 Rd4 draw
3 Re5 draw
4 Rf4 draw
5 Rg4 draw
6 Rh4 draw
7 Ra4 loss in 2 half-moves
8 Rb4 loss in 2 half-moves
9 Re1 loss in 2 half-moves
10 Re2 loss in 2 half-moves
11 Re3 loss in 2 half-moves
12 Re6 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Re8 loss in 2 half-moves