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 Kb5 draw
3 Kc3 draw
4 Kc5 draw
5 Kd3 draw
6 Kd4 draw
7 Kd5 draw
8 Ra4 draw
9 Rb1 draw
10 Rb3 draw
11 Rb6 draw
12 Kb3 loss in 12 half-moves
13 Rb5 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves