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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rd4 win in 1 half-moves
3 Rd6 win in 1 half-moves
4 Rd7 win in 1 half-moves
5 Kd1 loss in 2 half-moves
6 Ke1 loss in 2 half-moves
7 Ke3 loss in 2 half-moves
8 Kf1 loss in 2 half-moves
9 Kf2 loss in 2 half-moves
10 Kf3 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Kd3 loss in 1 half-moves
16 Rd3 loss in 1 half-moves
17 Rd5 loss in 1 half-moves