Greg Rusedski Questions Timing of Iga Swiatek’s Technical Serve Overhaul Under New Coach

Former world No. 4 Greg Rusedski questions the timing of Iga Swiatek's service overhaul under new coach Francisco Roig. Read the full technical analysis.

By: AXL Media

Published: Apr 20, 2026, 3:31 AM EDT

Source: Information for this report was sourced from Tennis365

A High-Stakes Technical Pivot Mid-Season

Iga Swiatek’s recent transition to coach Francisco Roig has brought immediate and visible changes to her game, most notably a technical "tweak" to her service motion. While the six-time Grand Slam champion seeks to refine her delivery after parting ways with Wim Fissette, tennis analyst Greg Rusedski has expressed concern over the timing of these adjustments. According to Rusedski, attempting to modify a foundational element like the serve in the middle of a competitive swing—rather than during a dedicated off-season block—is a high-risk strategy that could disrupt the world number four's rhythm.

Analyzing the Roig Influence on the Swiatek Serve

The specific adjustment noticed during the Stuttgart Open involves an attempt to "loosen up the wrist" during the delivery. Rusedski observed that while Swiatek has historically maintained a high elbow position, the new motion appears inconsistent, describing it as "all over the shop" during high-pressure moments. He noted that while Francisco Roig is known for his desire to implement technical improvements, the short window between his appointment and the commencement of major clay-court tournaments may not have been the ideal "time and place" for such a fundamental shift.

The Risk of Injury and Muscle Memory Conflict

A primary concern raised in Rusedski’s analysis is the potential for physical strain when altering established mechanics under competitive conditions. He argued that technical changes generally require a minimum of three weeks of uninterrupted training to become instinctive. Without this preparation, players risk not only performance dips but also injury, as the body struggles to adapt to unfamiliar movements during the maximum exertion of a professional match. Rusedski suggested that more subtle changes, such as mindset or weight transfer, are typically safer to implement during a tournament cycle.