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

EGTB: win in 2 half-moves

# move score
1 Re4 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kd1 draw
6 Kd2 draw
7 Ke2 draw
8 Kf1 draw
9 Kf2 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 Rg4 draw
20 Rh4 draw
21 Rf4 loss in 1 half-moves