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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kb2 draw
5 Kb3 draw
6 Kd4 draw
7 Ke2 draw
8 Ra1 draw
9 Rc1 draw
10 Re2 draw
11 Kd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves