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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kc3 win in 3 half-moves
3 Kb2 win in 7 half-moves
4 Ka5 win in 9 half-moves
5 Rb2 win in 9 half-moves
6 Ka6 draw
7 Ka7 draw
8 Kb1 draw
9 Kb5 draw
10 Kb7 draw
11 Kc1 draw
12 Kd1 draw
13 Kd2 draw
14 Kd3 draw
15 Ra1 draw
16 Ra3 draw
17 Ra4 draw
18 Ra6 draw
19 Ra8 draw
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Kc7 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra7 loss in 2 half-moves