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

EGTB: win in 20 half-moves

# move score
1 Rb8 win in 19 half-moves
2 Kb5 draw
3 Kc5 draw
4 Kd4 draw
5 Kd5 draw
6 Ke7 draw
7 Ke8 draw
8 Kf7 draw
9 Kg7 draw
10 Kg8 draw
11 Ra4 draw
12 Rb5 draw
13 Kb3 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves