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

EGTB: win in 4 half-moves

# move score
1 R2a5 win in 3 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kb1 draw
5 Kb3 draw
6 R2a6 draw
7 R7a3 draw
8 R7a4 draw
9 R7a5 draw
10 R7a6 draw
11 Ra8 draw
12 Rb7 draw
13 Rc7 draw
14 Rd7 draw
15 Re7 draw
16 Rf7 draw
17 R2a3 loss in 2 half-moves
18 R2a4 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Kc1 loss in 1 half-moves
21 Kc2 loss in 1 half-moves
22 Kc3 loss in 1 half-moves
23 Rg7 loss in 1 half-moves
24 Rh7 loss in 1 half-moves