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