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 Ka6 draw
3 Kb4 draw
4 Kb5 draw
5 Kb6 draw
6 Kg5 draw
7 Kg6 draw
8 Kh4 draw
9 Kh6 draw
10 Ra3 draw
11 Rb4 draw
12 Kg4 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves