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 Kaa7 draw
3 Kab8 draw
4 Kb6 draw
5 Kba7 draw
6 Kbb8 draw
7 Ra3 draw
8 Rb3 draw
9 Rc1 draw
10 Rc2 draw
11 Rc4 draw
12 Rc5 draw
13 Rc7 draw
14 Rd3 draw
15 Re3 draw
16 Ka6 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Kc7 loss in 1 half-moves
20 Rc6 loss in 1 half-moves
21 Rc8 loss in 1 half-moves
22 Rf3 loss in 1 half-moves
23 Rh3 loss in 1 half-moves