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

EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 Rb3 draw
3 Rd2 draw
4 Rd4 draw
5 Rd5 draw
6 Rd6 draw
7 Rd8 draw
8 Re3 draw
9 Rg3 draw
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves