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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Kc4 draw
3 R1a2 draw
4 R1a3 draw
5 R4a2 draw
6 R4a3 draw
7 Ra5 draw
8 Rb1 draw
9 Re1 draw
10 Rf1 draw
11 Ka3 loss in 2 half-moves
12 Ka5 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves