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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb6 draw
5 Kb7 draw
6 Kc1 draw
7 Kd2 draw
8 Ke1 draw
9 Ke2 draw
10 Ra2 draw
11 Rb2 draw
12 Rc1 draw
13 Rc3 draw
14 Rc4 draw
15 Rc5 draw
16 Rd2 draw
17 Rh2 draw
18 Rc6 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rg2 loss in 2 half-moves