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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rc1 draw
3 Rc2 draw
4 Rc5 draw
5 Rc6 draw
6 Kd7 loss in 2 half-moves
7 Kd8 loss in 2 half-moves
8 Ke7 loss in 2 half-moves
9 Kf7 loss in 2 half-moves
10 Kf8 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Rc4 loss in 1 half-moves