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

EGTB: win in 2 half-moves

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