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 Rb8 win in 7 half-moves
3 Ra8 win in 11 half-moves
4 K4b4 draw
5 K4b5 draw
6 K5b4 draw
7 K5b5 draw
8 Kb3 draw
9 Kb6 draw
10 Kc3 draw
11 Kc6 draw
12 Kd6 draw
13 Rc8 draw
14 Rd1 draw
15 Rd5 draw
16 Rd7 draw
17 Rh8 draw
18 K4d4 loss in 2 half-moves
19 K4d5 loss in 2 half-moves
20 K5d4 loss in 2 half-moves
21 K5d5 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Rd2 loss in 2 half-moves
24 Rd3 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg8 loss in 2 half-moves