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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kc6 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Rd7 win in 3 half-moves
6 Rf6 win in 3 half-moves
7 Rf5 win in 5 half-moves
8 Rc7 win in 7 half-moves
9 Ra7 win in 9 half-moves
10 K4b4 draw
11 K4b5 draw
12 K5b4 draw
13 K5b5 draw
14 Kb3 draw
15 Kc3 draw
16 Re7 draw
17 Rf1 draw
18 Rf8 draw
19 K4d4 loss in 2 half-moves
20 K4d5 loss in 2 half-moves
21 K5d4 loss in 2 half-moves
22 K5d5 loss in 2 half-moves
23 Kd3 loss in 2 half-moves
24 Rf2 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rh7 loss in 2 half-moves