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 Ka6 draw
3 Kaa7 draw
4 Kab7 draw
5 Kb8 draw
6 Kba7 draw
7 Kbb7 draw
8 Kc6 draw
9 Kc7 draw
10 Ra6 draw
11 Rh1 draw
12 Ka5 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves