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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Rb1 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Kc4 win in 5 half-moves
5 Ra5 win in 5 half-moves
6 Ra7 draw
7 Rd1 loss in 8 half-moves
8 Kc3 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 R1a2 loss in 2 half-moves
16 R1a3 loss in 2 half-moves
17 R4a2 loss in 2 half-moves
18 R4a3 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves