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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Ka7 draw
3 Kb8 draw
4 Kc1 draw
5 Kd2 draw
6 Ke1 draw
7 Ke2 draw
8 Ra2 draw
9 Rb2 draw
10 Rc1 draw
11 Rc3 draw
12 Rc4 draw
13 Rc5 draw
14 Rc6 draw
15 Rd2 draw
16 Re2 draw
17 Rf2 draw
18 Rc7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rh2 loss in 2 half-moves