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

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Rc8 win in 3 half-moves
3 K6b6 draw
4 K6b7 draw
5 K7b6 draw
6 K7b7 draw
7 Ka5 draw
8 Ka8 draw
9 Kb5 draw
10 Kb8 draw
11 Rb7 draw
12 Rc1 draw
13 Rc2 draw
14 Rc3 draw
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves