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

EGTB: win in 6 half-moves

# move score
1 Ra8 win in 5 half-moves
2 K4a5 draw
3 K4b5 draw
4 K6a5 draw
5 K6b5 draw
6 Ka3 draw
7 Ka4 draw
8 Ka6 draw
9 Ka7 draw
10 Kb3 draw
11 Kb7 draw
12 Kc7 draw
13 Rb8 draw
14 Rc8 draw
15 Rd8 draw
16 Rh1 draw
17 Rh5 draw
18 Rh6 draw
19 Rh7 draw
20 K4c5 loss in 2 half-moves
21 K6c5 loss in 2 half-moves
22 Kc3 loss in 2 half-moves
23 Kc4 loss in 2 half-moves
24 Kc6 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh2 loss in 2 half-moves
29 Rh3 loss in 2 half-moves
30 Rh4 loss in 2 half-moves