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 Kb6 draw
3 Kc6 draw
4 Kd6 draw
5 Ra3 draw
6 Rd1 draw
7 Rd2 draw
8 Rd6 draw
9 Rd7 draw
10 Rf3 draw
11 Rg3 draw
12 Rh3 draw
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Ke8 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kg7 loss in 2 half-moves
22 Kg8 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Rd5 loss in 2 half-moves
27 Re3 loss in 2 half-moves