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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rb8 draw
3 Rf1 draw
4 Rf4 draw
5 Rf5 draw
6 Rf6 draw
7 Rg8 draw
8 Rh8 draw
9 K4a4 loss in 2 half-moves
10 K4a5 loss in 2 half-moves
11 K4c4 loss in 2 half-moves
12 K4c5 loss in 2 half-moves
13 K5a4 loss in 2 half-moves
14 K5a5 loss in 2 half-moves
15 K5c4 loss in 2 half-moves
16 K5c5 loss in 2 half-moves
17 Ka3 loss in 2 half-moves
18 Ka6 loss in 2 half-moves
19 Kb3 loss in 2 half-moves
20 Kb6 loss in 2 half-moves
21 Kc3 loss in 2 half-moves
22 Kc6 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rf3 loss in 2 half-moves
28 Rf7 loss in 2 half-moves