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 Rb2 draw
3 Re3 draw
4 Rf3 draw
5 Rh3 draw
6 Rb1 loss in 4 half-moves
7 Ka3 loss in 2 half-moves
8 Ka4 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rd3 loss in 2 half-moves