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

EGTB: win in 10 half-moves

# move score
1 Ra3 win in 9 half-moves
2 Ka5 draw
3 Ka6 draw
4 Kaa7 draw
5 Kab7 draw
6 Kb5 draw
7 Kb8 draw
8 Kba7 draw
9 Kbb7 draw
10 Rb3 draw
11 Rg3 draw
12 Rh1 draw
13 Rh2 draw
14 Rh4 draw
15 Rh5 draw
16 Kc5 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rh6 loss in 2 half-moves
24 Rh7 loss in 2 half-moves
25 Rh8 loss in 2 half-moves