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

EGTB: win in 2 half-moves

# move score
1 R7a4 win in 1 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Kd8 draw
7 Ke7 draw
8 Ke8 draw
9 R7a2 draw
10 R7a3 draw
11 R7a6 draw
12 Ra8 draw
13 Rb7 draw
14 Rc1 draw
15 Rc7 draw
16 R1a2 loss in 2 half-moves
17 R1a3 loss in 2 half-moves
18 R1a4 loss in 2 half-moves
19 R1a6 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rd1 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
26 Ke6 loss in 1 half-moves
27 R1a5 loss in 1 half-moves
28 R7a5 loss in 1 half-moves