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 Kb3 draw
3 Kc3 draw
4 Kc5 draw
5 Kd4 draw
6 Kd5 draw
7 Rb3 draw
8 Kb5 loss in 12 half-moves
9 Ra4 loss in 12 half-moves
10 Kd3 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves