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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Kc7 draw
6 Kc8 draw
7 Kd8 draw
8 Ke7 draw
9 Ke8 draw
10 Ra7 draw
11 Rb6 draw
12 Rb8 draw
13 Rc7 draw
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves