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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 K4a5 draw
3 K4b5 draw
4 K4c5 draw
5 K6a5 draw
6 K6b5 draw
7 K6c5 draw
8 Ka3 draw
9 Ka4 draw
10 Ka6 draw
11 Ka7 draw
12 Kb3 draw
13 Kb7 draw
14 Kc3 draw
15 Kc4 draw
16 Kc6 draw
17 Kc7 draw
18 Ra1 draw
19 Ra2 draw
20 Ra4 draw
21 Ra5 draw
22 Ra6 draw
23 Rb8 draw
24 Rc8 draw
25 Rf8 draw
26 Ra7 loss in 2 half-moves
27 Rd8 loss in 2 half-moves
28 Re8 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves