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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Ra3 draw
3 Ra4 draw
4 Rb7 draw
5 Rc7 draw
6 Rd7 draw
7 Rf7 draw
8 K1b1 loss in 2 half-moves
9 K1b2 loss in 2 half-moves
10 K2b1 loss in 2 half-moves
11 K2b2 loss in 2 half-moves
12 Ka3 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves