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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke7 draw
6 Rb7 draw
7 Ke8 loss in 6 half-moves
8 Rb1 loss in 6 half-moves
9 Ra8 loss in 4 half-moves
10 Rb3 loss in 4 half-moves
11 Rb2 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rb4 loss in 1 half-moves
14 Rb5 loss in 1 half-moves