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 K7b7 draw
3 K7d7 draw
4 K7d8 draw
5 K8b7 draw
6 K8d7 draw
7 K8d8 draw
8 Kb6 draw
9 Kc6 draw
10 Kd6 draw
11 Ra8 draw
12 Rb4 draw
13 Rb5 draw
14 Rb6 draw
15 Rb7 draw
16 Rb1 loss in 1 half-moves
17 Rb3 loss in 1 half-moves