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

EGTB: win in 4 half-moves

# move score
1 K6b5 win in 3 half-moves
2 K6d5 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Kd7 win in 3 half-moves
5 Ra4 win in 3 half-moves
6 Ra7 win in 3 half-moves
7 K5b5 win in 5 half-moves
8 K5b6 win in 5 half-moves
9 K6b6 win in 5 half-moves
10 Kb4 win in 5 half-moves
11 Rb6 win in 5 half-moves
12 Kc7 win in 7 half-moves
13 K5d5 draw
14 K5d6 draw
15 K6d6 draw
16 Kc4 draw
17 Kd4 draw
18 Ra3 draw
19 Ra5 draw
20 Ra8 draw
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves