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 K1b2 draw
3 K1d1 draw
4 K1d2 draw
5 K2b2 draw
6 K2d1 draw
7 K2d2 draw
8 Kb3 draw
9 Kc3 draw
10 Kd3 draw
11 Ra1 draw
12 Rb2 draw
13 Rb3 draw
14 Rb4 draw
15 Rb5 draw
16 Rb6 draw
17 Rb7 loss in 1 half-moves