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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc3 win in 3 half-moves
4 Kc7 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Kd7 win in 3 half-moves
7 K6d5 win in 7 half-moves
8 K6b5 draw
9 Ra5 draw
10 K4b5 loss in 2 half-moves
11 K4d5 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves