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

EGTB: win in 4 half-moves

# move score
1 Ke1 win in 3 half-moves
2 Rf1 win in 3 half-moves
3 Ke2 win in 7 half-moves
4 Rg2 win in 7 half-moves
5 Rh2 win in 7 half-moves
6 Kg2 win in 13 half-moves
7 Kc1 draw
8 Kc2 draw
9 Kd1 draw
10 Kd3 draw
11 Ke3 draw
12 Kg1 draw
13 Kh2 draw
14 Rf3 draw
15 Rf4 draw
16 Rf8 draw
17 Kc3 loss in 2 half-moves
18 Re2 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