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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kd5 draw
3 Kd7 draw
4 Ke5 draw
5 Ke6 draw
6 Ke7 draw
7 Rc1 draw
8 Rd1 draw
9 Re1 draw
10 Rf2 draw
11 Rf5 draw
12 Rf6 draw
13 Kc5 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves