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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Kc4 draw
3 Ra1 draw
4 Ra8 draw
5 Rb4 draw
6 Rb7 draw
7 Rc4 draw
8 Rc7 draw
9 Rd7 draw
10 Re7 draw
11 Kc3 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 R4a5 loss in 2 half-moves
19 R4a6 loss in 2 half-moves
20 R7a5 loss in 2 half-moves
21 R7a6 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves