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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kb1 draw
3 Kb3 draw
4 Kc3 draw
5 Ra2 draw
6 Ra3 draw
7 Ra4 draw
8 Ka2 loss in 6 half-moves
9 Kc2 loss in 6 half-moves
10 Rf1 loss in 6 half-moves
11 Rg1 loss in 6 half-moves
12 Rh1 loss in 6 half-moves
13 Ka3 loss in 4 half-moves
14 Kc1 loss in 4 half-moves
15 Rb1 loss in 4 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves