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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Kf7 draw
3 Kf8 draw
4 Ra8 draw
5 Rb1 draw
6 Rb2 draw
7 Rf8 draw
8 Kc4 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Kh7 loss in 2 half-moves
18 Kh8 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 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
24 Rc8 loss in 2 half-moves
25 Re8 loss in 2 half-moves