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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Rf6 win in 5 half-moves
3 Rf8 win in 5 half-moves
4 Rd4 win in 9 half-moves
5 K6b7 draw
6 K6c7 draw
7 K6d7 draw
8 K8b7 draw
9 K8c7 draw
10 K8d7 draw
11 Kb6 draw
12 Kb8 draw
13 Kc5 draw
14 Kd5 draw
15 Kd6 draw
16 Kd8 draw
17 Rc4 draw
18 Re4 draw
19 Rf7 draw
20 Rg4 draw
21 Rh4 draw
22 Kb5 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rf3 loss in 2 half-moves