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

EGTB: win in 10 half-moves

# move score
1 Rb3 win in 9 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kab6 draw
5 Kab7 draw
6 Kab8 draw
7 Kc6 draw
8 Kc8 draw
9 Kcb6 draw
10 Kcb7 draw
11 Kcb8 draw
12 Ra3 draw
13 Rc3 draw
14 Rd1 draw
15 Rd2 draw
16 Rd4 draw
17 Rd5 draw
18 Rd6 draw
19 Rh3 draw
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Kd8 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rg3 loss in 2 half-moves