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

EGTB: win in 6 half-moves

# move score
1 Rf4 win in 5 half-moves
2 f7 draw
3 Ra4 draw
4 Rb4 draw
5 Rc4 draw
6 Rd4 draw
7 Re3 draw
8 Re5 draw
9 Re6 draw
10 Re7 draw
11 Re8 draw
12 Re1 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves