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

EGTB: win in 2 half-moves

# move score
1 Rg5 win in 1 half-moves
2 Ka6 draw
3 Kb5 draw
4 Kc5 draw
5 Kc6 draw
6 Kc7 draw
7 Ra3 draw
8 Ra4 draw
9 Ra6 draw
10 Re5 draw
11 Kb7 loss in 22 half-moves
12 Ka7 loss in 18 half-moves
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves