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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kd4 draw
6 Kd5 draw
7 Kd6 draw
8 Ke4 draw
9 Kf4 draw
10 Kf5 draw
11 Rb1 draw
12 Rc1 draw
13 Rd1 draw
14 Re2 draw
15 Re3 draw
16 Re4 draw
17 Rf1 draw
18 Rh1 draw
19 Ke6 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Rg1 loss in 1 half-moves