Episode 10 of 100 takes Geowin to Borderless Coffee on Jalan Sultan, where a S$7 iced latte begins as a diluted four out of ten before the mysterious liquid gives it a much-needed lift.

Geowin has officially reached double digits in her mission to try 100 coffees across Singapore.

For episode ten, the search for the World’s Best Kopi brought her to Borderless Coffee at 133 Jalan Sultan. The compact coffee counter was equipped with professional grinders, a detailed menu and the sort of organised workspace that suggested a serious approach to coffee.

The order for the day was another iced latte. At S$7, it was also one of the more expensive drinks encountered during the challenge so far. That price placed a certain amount of pressure on the cup. After visiting neighbourhood stalls, bakeries and traditional coffee shops, Geowin was now testing whether a modern café latte could justify its higher cost and secure a place near the top of the tier list.

The mission itself remains simple: visit 100 coffee locations, taste what they serve and gradually build a picture of Singapore’s varied coffee landscape. The full journey forms part of The Drink Journal and its wider exploration of coffee, tea and drinking culture.

An Iced Latte at Borderless Coffee

Geowin approached the counter and ordered one iced latte. The price came to seven dollars, and the drink arrived with a clearly separated layer of milk beneath the coffee.

With the cup collected, she announced the familiar words:

“Got the goods.”

Visually, the latte looked promising. The drink had a light, creamy appearance, with the espresso blending gradually into the milk. It resembled the kind of cold coffee that should have been easy to enjoy on a warm Singapore afternoon.

The first taste, however, did not meet those expectations.

Geowin described the iced latte as “quite diluted.” The flavour was present, but it did not seem concentrated enough to make a strong impression. Rather than delivering a distinct espresso character, the coffee appeared to become lost within the milk and ice.

Her initial score was 4 out of 10.

This placed Borderless Coffee in a difficult position after round one. The drink was not presented as undrinkable or unpleasant. Geowin’s response was closer to mild disappointment: it was acceptable, but weaker and more diluted than she wanted from a seven-dollar iced latte.

The score also continued an important pattern within the series. A professional café setting and modern equipment do not automatically lead to a top-tier result. The World’s Best Kopi search is centred on Geowin’s experience with the drink itself, regardless of where it was made or how polished the surroundings appeared.

Follow the Search Beyond Episode Ten

Ten coffees are now complete, but 90 remain. Learn more about the people and ideas behind The Drink Journal, then share the Singapore coffee stall, café or hidden neighbourhood counter that should become a future stop in Geowin’s search.

Time to Do It Her Way

A four out of ten did not mark the end of the Borderless Coffee experience. There was still the second tasting round and the recurring addition that has changed several results throughout the series.

Geowin introduced the next stage with a slight variation of her usual declaration:

“Now time to do it my way.”

She added the mysterious liquid to the iced latte, mixed it into the drink and tasted the new combination.

This time, the improvement was immediately noticeable.

Geowin said the latte had become more flavourful. The original dilution had not disappeared entirely, but the drink now carried enough character to create a more satisfying experience. Unlike some earlier episodes where the addition made almost no difference, Borderless Coffee benefited substantially from the second round.

Her revised score was 6 out of 10.

A two-point improvement is significant. The mysterious liquid did not turn the iced latte into one of the strongest coffees in the competition, but it gave the cup the flavour it had been missing during the first taste.

The recurring bottle is connected to Singapore-made Kopi-O coffee liqueur, which introduces a stronger local coffee character when combined with milk-based drinks. Its role within Singapore’s modern beverage scene is explored further in an editorial look at Kopi-O for the modern bar and in The Drink Journal’s examination of why it is emerging as a defining Singapore coffee liqueur.

Borderless Coffee Enters the C Tier

Despite recovering from four to six, Borderless Coffee ultimately enters the C tier.

The final placement reflects the entire experience rather than the second score alone. The original S$7 iced latte was too diluted to stand confidently beside the stronger coffees already sitting in the A and B tiers. The mysterious liquid improved it considerably, but it had to perform too much of the work.

That makes Borderless Coffee an interesting entry in the challenge. It demonstrated one of the most noticeable transformations so far, moving from a weak opening impression to a reasonably enjoyable second taste. However, the mission is still searching for coffee that can succeed before anything extra is added.

Borderless Coffee reached six out of ten, but its journey began too far behind the leaders. Episode ten therefore ends with a place in the C tier and another reminder that price, equipment and presentation cannot replace flavour in the cup.

The First Ten Are Complete

The World’s Best Kopi mission has reached its first major milestone. Follow the wider drinks journey through The Drink Journal and explore Singapore’s contemporary bar culture through Bar Somma. Ninety coffees remain, and the S tier is still waiting for its first entry.