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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Rd2 win in 3 half-moves
4 Re2 win in 3 half-moves
5 Rc2 win in 5 half-moves
6 Rf2 win in 5 half-moves
7 Ra6 draw
8 Kb4 loss in 4 half-moves
9 Kd4 loss in 4 half-moves
10 Ra1 loss in 4 half-moves
11 Kb3 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 R2a3 loss in 2 half-moves
18 R4a3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rh2 loss in 2 half-moves