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

EGTB: win in 4 half-moves

# move score
1 K5b5 win in 3 half-moves
2 K6b5 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Ra6 win in 9 half-moves
5 K6b6 draw
6 Kc7 draw
7 Ra1 draw
8 Rb5 draw
9 K5b6 loss in 2 half-moves
10 K5d5 loss in 2 half-moves
11 K5d6 loss in 2 half-moves
12 K6d5 loss in 2 half-moves
13 K6d6 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Ra8 loss in 2 half-moves