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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kc4 draw
5 Kc5 draw
6 Kc6 draw
7 Kd2 draw
8 Kd4 draw
9 Kd6 draw
10 Ke1 draw
11 Ke5 draw
12 Ke6 draw
13 Rf8 draw
14 Ke2 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rh1 loss in 2 half-moves