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

EGTB: win in 10 half-moves

# move score
1 Rb2 win in 9 half-moves
2 Ka4 draw
3 Kb6 draw
4 Kc7 draw
5 Kc8 draw
6 Ra1 draw
7 Ra3 draw
8 Ra4 draw
9 Rc2 draw
10 Kb4 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Ka6 loss in 1 half-moves