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 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc2 draw
6 Kc3 draw
7 Kc4 draw
8 Kc5 draw
9 Kc7 draw
10 Kd2 draw
11 Kd4 draw
12 Kd5 draw
13 Kd6 draw
14 Kd7 draw
15 Ra8 draw
16 Rb8 draw
17 Rc8 draw
18 Re8 draw
19 Rf8 draw
20 Ke2 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Rd7 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves