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 Kcc5 draw
3 Kcc7 draw
4 Kdc5 draw
5 Kdc7 draw
6 Kdd5 draw
7 Kdd7 draw
8 Ke5 draw
9 Ke6 draw
10 Ke7 draw
11 Ra6 draw
12 Rb4 draw
13 Rb5 draw
14 Rb7 draw
15 Rb8 draw
16 Kb5 loss in 2 half-moves
17 Kb7 loss in 2 half-moves
18 Kcd5 loss in 2 half-moves
19 Kcd7 loss in 2 half-moves
20 Rb1 loss in 1 half-moves
21 Rb3 loss in 1 half-moves