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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rd1 win in 3 half-moves
3 Ra1 win in 13 half-moves
4 Ka4 draw
5 Ka6 draw
6 Kab4 draw
7 Kab5 draw
8 Kb3 draw
9 Kb6 draw
10 Kc3 draw
11 Kc5 draw
12 Kcb4 draw
13 Kcb5 draw
14 Kd3 draw
15 Kd4 draw
16 Kd5 draw
17 Rc1 draw
18 Re1 draw
19 Rf2 draw
20 Rf8 draw
21 Rf3 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves