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 Rh7 draw
3 Ka3 loss in 2 half-moves
4 Ka6 loss in 2 half-moves
5 Kaa4 loss in 2 half-moves
6 Kab5 loss in 2 half-moves
7 Kb3 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kba4 loss in 2 half-moves
10 Kbb5 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves