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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Rb1 draw
3 Rc3 draw
4 Rc4 draw
5 Rc5 draw
6 Rc7 draw
7 Rf1 draw
8 Rg1 draw
9 Rh1 draw
10 Kg1 loss in 2 half-moves
11 Kg2 loss in 2 half-moves
12 Kg3 loss in 2 half-moves
13 Kh1 loss in 2 half-moves
14 Kh3 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves