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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rb8 win in 1 half-moves
3 Kb7 draw
4 Kc7 draw
5 Kd6 draw
6 Kd7 draw
7 Rb1 draw
8 Rb5 draw
9 Rb7 draw
10 Kb5 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rb2 loss in 1 half-moves
15 Rb3 loss in 1 half-moves