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 Kg3 win in 13 half-moves
3 Rc1 win in 13 half-moves
4 Kg4 win in 15 half-moves
5 Kb3 draw
6 Kb4 draw
7 Kc3 draw
8 Kc5 draw
9 Kd3 draw
10 Kd4 draw
11 Kd5 draw
12 Kh3 draw
13 Ra1 draw
14 Rd1 draw
15 Re1 draw
16 Rf2 draw
17 Rf3 draw
18 Rf4 draw
19 Rf5 draw
20 Rf6 draw
21 Rh1 draw
22 Kb5 loss in 2 half-moves
23 Kg5 loss in 2 half-moves
24 Kh5 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg1 loss in 2 half-moves