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

EGTB: win in 4 half-moves

# move score
1 Rd3 win in 3 half-moves
2 Re3 win in 3 half-moves
3 Rb7 win in 5 half-moves
4 Rb8 win in 5 half-moves
5 Kd7 draw
6 Kd8 draw
7 Ke7 draw
8 Kef7 draw
9 Kef8 draw
10 Kg7 draw
11 Kgf7 draw
12 Kgf8 draw
13 Kh7 draw
14 Kh8 draw
15 Ra3 draw
16 Rb4 draw
17 Rb5 draw
18 Rb6 draw
19 Rc3 draw
20 Rf3 draw
21 Rb1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rh3 loss in 2 half-moves