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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kg2 draw
3 Kg3 draw
4 Kg4 draw
5 Kh2 draw
6 Ra4 draw
7 Re4 draw
8 Rh5 draw
9 Rh6 draw
10 Rh7 draw
11 Rh8 draw
12 Rb4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Rg4 loss in 2 half-moves