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

EGTB: win in 4 half-moves

# move score
1 R3a5 win in 3 half-moves
2 R3a7 win in 3 half-moves
3 R8a5 win in 3 half-moves
4 R8a7 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Rc8 win in 3 half-moves
7 Rd8 win in 3 half-moves
8 Re8 win in 3 half-moves
9 Rf8 win in 3 half-moves
10 R3a4 draw
11 R3a6 draw
12 R8a4 draw
13 R8a6 draw
14 Rb3 draw
15 Kb2 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves
25 Kb3 loss in 1 half-moves
26 Kd3 loss in 1 half-moves