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 Kc5 win in 7 half-moves
3 Rb3 draw
4 Kaa5 loss in 2 half-moves
5 Kaa7 loss in 2 half-moves
6 Kab7 loss in 2 half-moves
7 Kba5 loss in 2 half-moves
8 Kba7 loss in 2 half-moves
9 Kbb7 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves