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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Rb8 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 Rb3 draw
11 Rb4 draw
12 Rb6 draw
13 Rb7 draw
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves