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

EGTB: win in 50 half-moves

# move score
1 Rb2 win in 49 half-moves
2 Rb3 win in 61 half-moves
3 Ka1 draw
4 Ka2 draw
5 Kb2 draw
6 Kc1 draw
7 Kc2 draw
8 Kd6 draw
9 Ra6 draw
10 Rb4 draw
11 Rb8 draw
12 Rc6 draw
13 Rd6 draw
14 Kd5 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb7 loss in 2 half-moves