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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kd1 draw
6 Kd2 draw
7 Kd3 draw
8 Ke1 draw
9 Ke3 draw
10 Kf1 draw
11 Kf2 draw
12 Kf3 draw
13 Rb4 draw
14 Rc4 draw
15 Rd4 draw
16 Re3 draw
17 Re5 draw
18 Re6 draw
19 Re7 draw
20 Re8 draw
21 Rf4 draw
22 Rh4 draw
23 Rg4 loss in 1 half-moves