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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Kb3 draw
5 Kbc1 draw
6 Kc3 draw
7 Kcc1 draw
8 Kd1 draw
9 Kd2 draw
10 Kd3 draw
11 Ra2 draw
12 Rb3 draw
13 Rb4 draw
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves