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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Rb7 win in 5 half-moves
3 Rb8 win in 5 half-moves
4 Kc7 draw
5 Kc8 draw
6 Kd7 draw
7 Ke7 draw
8 Ke8 draw
9 Kg7 draw
10 Kg8 draw
11 Kh7 draw
12 Ra1 draw
13 Rb2 draw
14 Rb6 draw
15 Rd1 draw
16 Re1 draw
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves