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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Rb7 draw
3 Rb8 draw
4 Kb3 loss in 2 half-moves
5 Kc3 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kcd4 loss in 2 half-moves
8 Kcd5 loss in 2 half-moves
9 Kd3 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Ke4 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ked4 loss in 2 half-moves
14 Ked5 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves