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

EGTB: win in 2 half-moves

# move score
1 Rf1 win in 1 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kd1 draw
5 Ke2 draw
6 Ke3 draw
7 Ra1 draw
8 Rd1 draw
9 Re2 draw
10 Re3 draw
11 Re8 draw
12 Kc3 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Re7 loss in 1 half-moves