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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Rd8 win in 3 half-moves
3 Rf5 win in 5 half-moves
4 Rb8 win in 9 half-moves
5 Kb3 draw
6 Kb4 draw
7 Kb5 draw
8 Kc1 draw
9 Kc2 draw
10 Kc3 draw
11 Kc5 draw
12 Kd2 draw
13 Kd3 draw
14 Kd4 draw
15 Kd5 draw
16 Ke1 draw
17 Ra8 draw
18 Re8 draw
19 Rf1 draw
20 Rf6 draw
21 Rf7 draw
22 Ke2 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves