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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rc7 win in 3 half-moves
3 Rd7 win in 3 half-moves
4 Kc4 win in 5 half-moves
5 Kd4 win in 5 half-moves
6 Rf1 win in 5 half-moves
7 K2b2 draw
8 K2b3 draw
9 K2d2 draw
10 K2d3 draw
11 K3b2 draw
12 K3b3 draw
13 K3d2 draw
14 K3d3 draw
15 Kb1 draw
16 Kc1 draw
17 Kd1 draw
18 Ra7 draw
19 Re7 draw
20 Rf5 draw
21 Rf6 draw
22 Rf8 draw
23 Kb4 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