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

EGTB: win in 2 half-moves

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