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

EGTB: win in 4 half-moves

# move score
1 R3a5 win in 3 half-moves
2 R3a6 win in 3 half-moves
3 R3a4 draw
4 R7a4 draw
5 R7a5 draw
6 Rb7 draw
7 Rf7 draw
8 Rg3 draw
9 Rh3 draw
10 Ka2 loss in 2 half-moves
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 R7a6 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves