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 Rb2 draw
3 Ra8 loss in 4 half-moves
4 Kc7 loss in 2 half-moves
5 Kc8 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Ke7 loss in 2 half-moves
8 Ke8 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb7 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