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 Rb5 draw
3 Rb6 draw
4 Rb7 draw
5 Kaa1 loss in 2 half-moves
6 Kaa3 loss in 2 half-moves
7 Kab1 loss in 2 half-moves
8 Kba1 loss in 2 half-moves
9 Kba3 loss in 2 half-moves
10 Kbb1 loss in 2 half-moves
11 Kc1 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves