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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Kaa2 loss in 2 half-moves
3 Kab2 loss in 2 half-moves
4 Kba2 loss in 2 half-moves
5 Kbb2 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Rc1 loss in 2 half-moves
8 Rc2 loss in 2 half-moves
9 Rc5 loss in 2 half-moves
10 Rc6 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rh3 loss in 2 half-moves
17 Kaa4 loss in 1 half-moves
18 Kab4 loss in 1 half-moves
19 Kba4 loss in 1 half-moves
20 Kbb4 loss in 1 half-moves
21 Kc4 loss in 1 half-moves
22 Rc4 loss in 1 half-moves