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

EGTB: win in 4 half-moves

# move score
1 Rd4 win in 3 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rd1 draw
5 Rd2 draw
6 Rd3 draw
7 Rd5 draw
8 Rh8 draw
9 K1e2 loss in 2 half-moves
10 K1f2 loss in 2 half-moves
11 K1g2 loss in 2 half-moves
12 K3e2 loss in 2 half-moves
13 K3f2 loss in 2 half-moves
14 K3g2 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Kg1 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Kg4 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd6 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves