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 Ra5 win in 5 half-moves
3 Re1 win in 9 half-moves
4 Rd1 win in 27 half-moves
5 Kc3 draw
6 R1a2 draw
7 R3a2 draw
8 Ra4 draw
9 Ra7 draw
10 Rb1 draw
11 Rc1 draw
12 Rf1 draw
13 Rg1 draw
14 Ka2 loss in 2 half-moves
15 Ka4 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Kb4 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rh1 loss in 2 half-moves