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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Rf7 win in 3 half-moves
3 Rf8 win in 3 half-moves
4 Rf5 win in 5 half-moves
5 Ka3 draw
6 Ka4 draw
7 Ka5 draw
8 Ka7 draw
9 Kb3 draw
10 Kb5 draw
11 Kb7 draw
12 Kb8 draw
13 Kc3 draw
14 Kc4 draw
15 Kc5 draw
16 Rb1 draw
17 Rc1 draw
18 Rd1 draw
19 Re1 draw
20 Rf6 draw
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves