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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kc4 draw
3 Kc5 draw
4 Kd5 draw
5 Ke4 draw
6 Ke5 draw
7 Rb3 draw
8 Rb5 draw
9 Rb6 draw
10 Rb7 draw
11 Rb8 draw
12 Kc3 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc4 loss in 2 half-moves