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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb1 win in 9 half-moves
3 Rb3 win in 9 half-moves
4 K1b2 draw
5 K1c2 draw
6 K1d2 draw
7 K3b2 draw
8 K3c2 draw
9 K3d2 draw
10 Kb1 draw
11 Kb3 draw
12 Kb4 draw
13 Kd1 draw
14 Kd3 draw
15 Ra8 draw
16 Rb2 draw
17 Rc8 draw
18 Rg8 draw
19 Rh8 draw
20 Kc4 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves