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

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Kaa7 draw
3 Kab7 draw
4 Kbb7 draw
5 Ra7 draw
6 Rb7 draw
7 Rc7 draw
8 Rd7 draw
9 Re1 draw
10 Re3 draw
11 Re4 draw
12 Re5 draw
13 Re6 draw
14 Re8 draw
15 Kba7 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Re2 loss in 1 half-moves
19 Rf7 loss in 1 half-moves
20 Rh7 loss in 1 half-moves