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 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Rb4 draw
8 Rc4 draw
9 Rd4 draw
10 Re4 draw
11 Rg4 draw
12 Ke1 loss in 1 half-moves
13 Ke2 loss in 1 half-moves
14 Kf2 loss in 1 half-moves
15 Kg1 loss in 1 half-moves
16 Kg2 loss in 1 half-moves
17 Ra1 loss in 1 half-moves
18 Ra2 loss in 1 half-moves
19 Ra3 loss in 1 half-moves
20 Ra5 loss in 1 half-moves
21 Rh4 loss in 1 half-moves