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 Ra8 win in 7 half-moves
3 Ra1 win in 11 half-moves
4 Ka7 draw
5 Ka8 draw
6 Kb7 draw
7 Kbc7 draw
8 Kbc8 draw
9 Kd7 draw
10 Kdc7 draw
11 Kdc8 draw
12 Ke7 draw
13 Ke8 draw
14 Ra6 draw
15 Rb2 draw
16 Rc2 draw
17 Rd2 draw
18 Rh2 draw
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rg2 loss in 2 half-moves