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

EGTB: win in 2 half-moves

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