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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 K8b7 win in 7 half-moves
3 Ka8 win in 7 half-moves
4 Kb5 win in 7 half-moves
5 Ra8 win in 7 half-moves
6 Kc5 win in 11 half-moves
7 K6a7 draw
8 K8a7 draw
9 Ka5 draw
10 Ka6 draw
11 Ra2 draw
12 Ra3 draw
13 Ra4 draw
14 Ra6 draw
15 Rb1 draw
16 Rc1 draw
17 Rd1 draw
18 Rf1 draw
19 Rg1 draw
20 K6b7 loss in 2 half-moves
21 K6c7 loss in 2 half-moves
22 K8c7 loss in 2 half-moves
23 Kc6 loss in 2 half-moves
24 Kc8 loss in 2 half-moves
25 Ra7 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves