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 Rc1 draw
3 Rc2 draw
4 Rc3 draw
5 Rd4 draw
6 Re4 draw
7 Rg4 draw
8 Rh4 draw
9 Kb5 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kcd5 loss in 2 half-moves
15 Kcd6 loss in 2 half-moves
16 Kcd7 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Ked5 loss in 2 half-moves
20 Ked6 loss in 2 half-moves
21 Ked7 loss in 2 half-moves
22 Kf5 loss in 2 half-moves
23 Kf6 loss in 2 half-moves
24 Kf7 loss in 2 half-moves
25 Ra4 loss in 2 half-moves
26 Rb4 loss in 2 half-moves
27 Rc5 loss in 2 half-moves