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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Ra1 draw
3 Ra3 draw
4 Rc2 draw
5 Rcc1 draw
6 Re3 draw
7 Rgc1 loss in 4 half-moves
8 Rb1 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rc5 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Rc4 loss in 1 half-moves
21 Rc8 loss in 1 half-moves