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