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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Ra5 win in 5 half-moves
4 Rc5 win in 5 half-moves
5 Kaa7 draw
6 Kab7 draw
7 Kba7 draw
8 Kbb7 draw
9 Kc7 draw
10 Kc8 draw
11 Rb5 draw
12 Rg5 draw
13 Rh3 draw
14 Rh4 draw
15 Rh6 draw
16 Rd5 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rh2 loss in 2 half-moves