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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 K5a5 draw
3 K5a6 draw
4 K6a5 draw
5 K6a6 draw
6 Ka4 draw
7 Ka7 draw
8 Kb4 draw
9 Kb7 draw
10 Ra2 draw
11 Ra3 draw
12 Ra5 draw
13 Ra6 draw
14 Ra8 draw
15 Rb1 draw
16 Rc1 draw
17 Rh1 draw
18 K5c5 loss in 2 half-moves
19 K5c6 loss in 2 half-moves
20 K6c5 loss in 2 half-moves
21 K6c6 loss in 2 half-moves
22 Kc4 loss in 2 half-moves
23 Kc7 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rf1 loss in 2 half-moves
28 Rg1 loss in 2 half-moves