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 Kc1 draw
3 Kc2 draw
4 Kc3 draw
5 Kd1 draw
6 Kd3 draw
7 Ke1 draw
8 Ke2 draw
9 Ke3 draw
10 Rb1 draw
11 Rb2 draw
12 Rb4 draw
13 Rb5 draw
14 Rb6 draw
15 Rc3 draw
16 Rg3 draw
17 Rh3 draw
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves