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

EGTB: win in 4 half-moves

# move score
1 Rd4 win in 3 half-moves
2 Rb5 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Rc4 draw
7 Kc1 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Kd1 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kdd3 loss in 2 half-moves
14 Kde3 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ked3 loss in 2 half-moves
19 Kee3 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Kf4 loss in 2 half-moves
22 Kf5 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rb3 loss in 2 half-moves