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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kd5 draw
3 Rb2 draw
4 Rb3 draw
5 Rb7 draw
6 Rb8 draw
7 Ra5 loss in 10 half-moves
8 Kb4 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb6 loss in 2 half-moves