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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Rb1 win in 7 half-moves
3 K5b6 draw
4 K5c6 draw
5 K5d6 draw
6 K7b6 draw
7 K7c6 draw
8 K7d6 draw
9 Kb4 draw
10 Kb8 draw
11 Kc4 draw
12 Kc8 draw
13 Kd4 draw
14 Kd5 draw
15 Kd7 draw
16 Kd8 draw
17 Ra1 draw
18 Rc1 draw
19 Rd1 draw
20 Re1 draw
21 Rf5 draw
22 Rf6 draw
23 Rf7 draw
24 Kb5 loss in 2 half-moves
25 Kb7 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rf3 loss in 2 half-moves
28 Rf4 loss in 2 half-moves
29 Rg1 loss in 2 half-moves
30 Rh1 loss in 2 half-moves