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 Ra7 win in 3 half-moves
3 Rd2 win in 3 half-moves
4 Ka7 draw
5 Kb8 draw
6 Rb1 draw
7 Rb2 draw
8 Rc1 draw
9 Rc2 draw
10 Re1 draw
11 Re2 draw
12 Rf1 draw
13 Rf2 draw
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Kb7 loss in 1 half-moves