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

EGTB: win in 10 half-moves

# move score
1 Kb5 win in 9 half-moves
2 Re5 draw
3 Rf5 draw
4 Ka2 loss in 2 half-moves
5 Ka4 loss in 2 half-moves
6 Kab3 loss in 2 half-moves
7 Kab4 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Kcb3 loss in 2 half-moves
12 Kcb4 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rh5 loss in 2 half-moves
23 Kd5 loss in 1 half-moves
24 Rd5 loss in 1 half-moves