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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb1 win in 5 half-moves
3 Rb2 win in 5 half-moves
4 Rb4 win in 7 half-moves
5 Rb8 win in 9 half-moves
6 Rd5 draw
7 Re5 draw
8 Rf5 draw
9 Rh5 draw
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kcd1 loss in 2 half-moves
14 Kcd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Ke1 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ked1 loss in 2 half-moves
19 Ked2 loss in 2 half-moves
20 Kf1 loss in 2 half-moves
21 Kf2 loss in 2 half-moves
22 Kf3 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rc5 loss in 2 half-moves
27 Rg5 loss in 2 half-moves