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 Kb5 win in 11 half-moves
3 Kb6 win in 11 half-moves
4 Kab7 win in 19 half-moves
5 Ka5 draw
6 Ka7 draw
7 Kb8 draw
8 Kc7 draw
9 Kcb7 draw
10 Ra1 draw
11 Ra3 draw
12 Ra4 draw
13 Ra5 draw
14 Rc2 draw
15 Rd2 draw
16 Rh2 draw
17 Kd7 loss in 2 half-moves
18 Kd8 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves