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 Kd4 draw
3 Kf3 draw
4 Kf4 draw
5 Ra4 draw
6 Rb6 draw
7 Rc4 draw
8 Kd3 loss in 2 half-moves
9 Kd5 loss in 2 half-moves
10 Ke3 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves