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

EGTB: win in 6 half-moves

# move score
1 K6b7 win in 5 half-moves
2 K7b7 win in 5 half-moves
3 Kb5 win in 5 half-moves
4 Rb7 win in 5 half-moves
5 K6b6 draw
6 K6d6 draw
7 K6d7 draw
8 K7d7 draw
9 Kc5 draw
10 Kd5 draw
11 Ra3 draw
12 Ra6 draw
13 K7b6 loss in 2 half-moves
14 K7d6 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra8 loss in 2 half-moves