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 Kf1 draw
3 Kg1 draw
4 Kh1 draw
5 Rb8 draw
6 Rd5 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Kc2 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ke2 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Kh2 loss in 2 half-moves
22 Kh3 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd6 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Re8 loss in 2 half-moves