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

EGTB: win in 4 half-moves

# move score
1 f7 win in 3 half-moves
2 Rf4 win in 5 half-moves
3 Ra4 draw
4 Re4 draw
5 Rg3 draw
6 Rg5 draw
7 Rg6 draw
8 Rg7 draw
9 Rg8 draw
10 Rh4 draw
11 Rb4 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Rg1 loss in 2 half-moves
15 Rg2 loss in 2 half-moves