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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Kb5 win in 1 half-moves
3 Kb6 win in 1 half-moves
4 Ra1 win in 3 half-moves
5 Ka4 win in 5 half-moves
6 Kd1 win in 5 half-moves
7 Kf1 win in 11 half-moves
8 Ka6 win in 13 half-moves
9 Rd1 win in 13 half-moves
10 Rc3 win in 25 half-moves
11 Rc4 win in 35 half-moves
12 Kd2 draw
13 Ke2 draw
14 Kf2 draw
15 Rb1 draw
16 Rc2 draw
17 Rc5 draw
18 Rc6 draw
19 Rc7 loss in 2 half-moves
20 Rc8 loss in 2 half-moves