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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ke1 draw
3 Ke2 draw
4 Kf2 draw
5 Kg2 draw
6 Rc6 draw
7 Rc8 draw
8 Rd1 draw
9 Re1 draw
10 Kg1 loss in 4 half-moves
11 Ra1 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rc7 loss in 2 half-moves