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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Kc6 win in 7 half-moves
3 Ra4 win in 7 half-moves
4 Ra5 win in 7 half-moves
5 Ra7 win in 7 half-moves
6 Ka3 win in 11 half-moves
7 K4a4 draw
8 K4a5 draw
9 K5a4 draw
10 K5a5 draw
11 Ka6 draw
12 Kb3 draw
13 Kb6 draw
14 Ra1 draw
15 Rb8 draw
16 Rc8 draw
17 Rg8 draw
18 K4c4 loss in 2 half-moves
19 K4c5 loss in 2 half-moves
20 K5c4 loss in 2 half-moves
21 K5c5 loss in 2 half-moves
22 Kc3 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rh8 loss in 2 half-moves