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