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 Kb3 draw
3 Kb4 draw
4 Kb7 draw
5 Kb8 draw
6 Kc3 draw
7 Kd8 draw
8 Ra2 draw
9 Rb2 draw
10 Rc1 draw
11 Rh2 draw
12 Kc5 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rg2 loss in 2 half-moves