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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kd4 draw
5 Kd6 draw
6 Ke4 draw
7 Ke6 draw
8 Kf4 draw
9 Kf5 draw
10 Kf6 draw
11 Rb6 draw
12 Rb7 draw
13 Rc5 draw
14 Rd5 draw
15 Ra5 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Kb6 loss in 1 half-moves
21 Kb7 loss in 1 half-moves
22 Kd5 loss in 1 half-moves