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

EGTB: win in 2 half-moves

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