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 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kd4 draw
6 Kd5 draw
7 Kd6 draw
8 Ke6 draw
9 Kf4 draw
10 Kf5 draw
11 Kf6 draw
12 Rc4 draw
13 Rd4 draw
14 Re1 draw
15 Re2 draw
16 Re3 draw
17 Rf4 draw
18 Rg4 draw
19 Rh4 draw
20 Rb4 loss in 1 half-moves