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

EGTB: win in 8 half-moves

# move score
1 Kb4 win in 7 half-moves
2 Rb6 draw
3 Rb7 draw
4 Rb8 draw
5 Kb2 loss in 2 half-moves
6 Kcc2 loss in 2 half-moves
7 Kcc4 loss in 2 half-moves
8 Kcd2 loss in 2 half-moves
9 Kcd4 loss in 2 half-moves
10 Kdc2 loss in 2 half-moves
11 Kdc4 loss in 2 half-moves
12 Kdd2 loss in 2 half-moves
13 Kdd4 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves