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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kd5 draw
3 Kd6 draw
4 Ra5 draw
5 Rb4 draw
6 Rb7 draw
7 Rb8 draw
8 Kc6 loss in 28 half-moves
9 Kb6 loss in 16 half-moves
10 Kb4 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb6 loss in 2 half-moves