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

EGTB: win in 10 half-moves

# move score
1 Rb8 win in 9 half-moves
2 Rd2 draw
3 Re8 draw
4 K4a5 loss in 2 half-moves
5 K4b5 loss in 2 half-moves
6 K4c5 loss in 2 half-moves
7 K6a5 loss in 2 half-moves
8 K6b5 loss in 2 half-moves
9 K6c5 loss in 2 half-moves
10 Ka3 loss in 2 half-moves
11 Ka4 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Ka7 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kc7 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd1 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Rd5 loss in 2 half-moves
26 Rd6 loss in 2 half-moves
27 Rd7 loss in 2 half-moves
28 Rf8 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves