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

EGTB: win in 8 half-moves

# move score
1 Ra8 win in 7 half-moves
2 K4a4 draw
3 K4a5 draw
4 K5a4 draw
5 K5a5 draw
6 Ka3 draw
7 Ka6 draw
8 Kb3 draw
9 Kb6 draw
10 Kc3 draw
11 Rc8 draw
12 Rh8 draw
13 K4c4 loss in 2 half-moves
14 K4c5 loss in 2 half-moves
15 K5c4 loss in 2 half-moves
16 K5c5 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves