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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rd1 win in 3 half-moves
3 Re3 win in 3 half-moves
4 Re5 win in 3 half-moves
5 Rc1 win in 5 half-moves
6 Re4 win in 5 half-moves
7 Ra1 win in 13 half-moves
8 Kb3 draw
9 Kb4 draw
10 Kb5 draw
11 Kb7 draw
12 Kb8 draw
13 Kc3 draw
14 Kc5 draw
15 Kc7 draw
16 Kd3 draw
17 Kd4 draw
18 Kd5 draw
19 Kd7 draw
20 Kd8 draw
21 Re2 draw
22 Re6 draw
23 Rf1 draw
24 Re7 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves