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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ke1 draw
6 Ke2 draw
7 Kf2 draw
8 Kg1 draw
9 Kg2 draw
10 Ra1 draw
11 Ra2 draw
12 Ra3 draw
13 Ra5 draw
14 Ra6 draw
15 Ra7 draw
16 Rb4 draw
17 Rc4 draw
18 Rd4 draw
19 Re4 draw
20 Rh4 draw
21 Rg4 loss in 1 half-moves