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

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Rf5 draw
3 Rf6 draw
4 Rf7 draw
5 Rf8 draw
6 Rg1 draw
7 Rh1 draw
8 Kb2 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kc1 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kcc2 loss in 2 half-moves
14 Kcd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kdc2 loss in 2 half-moves
18 Kdd2 loss in 2 half-moves
19 Ke1 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf3 loss in 2 half-moves