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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ke2 draw
3 Kf2 draw
4 Kg2 draw
5 Kg3 draw
6 Ra3 draw
7 Rc2 draw
8 Rc4 draw
9 Rd3 draw
10 Re3 draw
11 Rc1 loss in 12 half-moves
12 Ke3 loss in 8 half-moves
13 Ke4 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rc5 loss in 1 half-moves