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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb5 draw
3 Kc3 draw
4 Kc5 draw
5 Kd5 draw
6 Kg7 draw
7 Kg8 draw
8 Kh7 draw
9 Ra4 draw
10 Rb2 draw
11 Rb3 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Kb3 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Rb1 loss in 1 half-moves