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 Kb4 draw
3 Kc4 draw
4 Kd4 draw
5 Ra7 draw
6 Rd2 draw
7 Rd3 draw
8 Rd4 draw
9 Rd5 draw
10 Rd6 draw
11 Rf7 draw
12 Rg7 draw
13 Rh7 draw
14 Kb2 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kg1 loss in 2 half-moves
20 Kg2 loss in 2 half-moves
21 Kg3 loss in 2 half-moves
22 Kh1 loss in 2 half-moves
23 Kh3 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Re7 loss in 2 half-moves