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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Rb2 draw
3 Rb3 draw
4 Rb4 draw
5 Rb8 draw
6 Rc1 draw
7 Kd1 loss in 2 half-moves
8 Kd2 loss in 2 half-moves
9 Ke3 loss in 2 half-moves
10 Ke4 loss in 2 half-moves
11 Kee2 loss in 2 half-moves
12 Kef2 loss in 2 half-moves
13 Kf1 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kfe2 loss in 2 half-moves
16 Kff2 loss in 2 half-moves
17 Kg2 loss in 2 half-moves
18 Kg3 loss in 2 half-moves
19 Kg4 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves