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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Kd7 win in 7 half-moves
3 Ke7 win in 7 half-moves
4 Kc7 draw
5 Kc8 draw
6 Ke8 draw
7 Ra5 draw
8 Rb1 draw
9 Rb2 draw
10 Rb7 draw
11 Rb8 draw
12 Kb4 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves