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

EGTB: win in 4 half-moves

# move score
1 Rd6 win in 3 half-moves
2 Rc8 win in 11 half-moves
3 Ra8 win in 15 half-moves
4 Ka2 draw
5 Ka3 draw
6 Ka4 draw
7 Kb2 draw
8 Kb4 draw
9 Kd6 draw
10 Rb8 draw
11 Rd7 draw
12 Rh8 draw
13 Kbc4 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kdc4 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Ke6 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves