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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ra8 win in 3 half-moves
3 Ra7 win in 11 half-moves
4 Ka6 draw
5 Ka7 draw
6 Ka8 draw
7 Kbb6 draw
8 Kbb8 draw
9 Kbc6 draw
10 Kbc8 draw
11 Kcb6 draw
12 Kcb8 draw
13 Kcc6 draw
14 Kcc8 draw
15 Kd6 draw
16 Kd7 draw
17 Kd8 draw
18 Ra5 draw
19 Rg1 draw
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rc1 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 Rh1 loss in 2 half-moves