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 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kbc7 draw
6 Kbc8 draw
7 Kd7 draw
8 Kdc7 draw
9 Kdc8 draw
10 Ke7 draw
11 Ke8 draw
12 Ra3 draw
13 Rb3 draw
14 Rc3 draw
15 Rd4 draw
16 Rd5 draw
17 Rd6 draw
18 Rh3 draw
19 Rd1 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg3 loss in 2 half-moves