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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kc2 draw
3 Kc3 draw
4 Kd2 draw
5 Ke2 draw
6 Ke3 draw
7 Rb1 draw
8 Rb2 draw
9 Rb8 draw
10 Rc3 draw
11 Kc4 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves