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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Ra3 draw
3 Rd1 draw
4 Rd2 draw
5 Rd6 draw
6 Rf3 draw
7 Rg3 draw
8 Rh3 draw
9 Kf7 loss in 2 half-moves
10 Kf8 loss in 2 half-moves
11 Kgg7 loss in 2 half-moves
12 Kgh7 loss in 2 half-moves
13 Khg7 loss in 2 half-moves
14 Khh7 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re3 loss in 2 half-moves