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 Kb5 draw
3 Kc5 draw
4 Kd5 draw
5 Kf7 draw
6 Kf8 draw
7 Kg7 draw
8 Kh7 draw
9 Kh8 draw
10 Rc3 draw
11 Rd4 draw
12 Rd5 draw
13 Rd6 draw
14 Rd7 draw
15 Re3 draw
16 Rf3 draw
17 Rg3 draw
18 Rh3 draw
19 Kb3 loss in 2 half-moves
20 Kb4 loss in 2 half-moves
21 Kc3 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Rd2 loss in 2 half-moves