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

EGTB: win in 4 half-moves

# move score
1 Rd2 win in 3 half-moves
2 Re2 win in 3 half-moves
3 Rg2 win in 3 half-moves
4 Rh2 win in 3 half-moves
5 Ra1 draw
6 Ra4 draw
7 Ra5 draw
8 Ra6 draw
9 Rf2 draw
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Kh7 loss in 2 half-moves
15 Kh8 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Kef7 loss in 1 half-moves
22 Kef8 loss in 1 half-moves
23 Kgf7 loss in 1 half-moves
24 Kgf8 loss in 1 half-moves