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

EGTB: win in 14 half-moves

# move score
1 Ra8 win in 13 half-moves
2 Kaa6 draw
3 Kaa8 draw
4 Kab6 draw
5 Kbb6 draw
6 Re8 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Kba6 loss in 2 half-moves
11 Kba8 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves