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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb6 win in 1 half-moves
4 Rb7 win in 1 half-moves
5 Rb8 win in 1 half-moves
6 Kb3 draw
7 Kb5 draw
8 Kc3 draw
9 Kd3 draw
10 Kd5 draw
11 Kc5 loss in 1 half-moves
12 Kd4 loss in 1 half-moves
13 Ra4 loss in 1 half-moves
14 Rb2 loss in 1 half-moves
15 Rb5 loss in 1 half-moves