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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc6 draw
5 Kcc7 draw
6 Kcd7 draw
7 Kd8 draw
8 Kdc7 draw
9 Kdd7 draw
10 Ke7 draw
11 Ra6 draw
12 Rb7 draw
13 Rb8 draw
14 Kc5 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rc6 loss in 2 half-moves